Nec Corporation

Asahi Kogaku Kogyo Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Ricoh Company, Ltd.

Toshiba Electronic Devices & Storage Corporation

Pioneer Corporation

Other

Canon Kabushiki Kaisha

Mitsubishi Heavy Industries Limited

Citizen Watch Company, Ltd.

National Institute of Advanced Industrial Science and Technology

Japan Science and Technology Agency

Jeol Ltd.

Nec Laboratories America, Inc.

Nec Platforms, Ltd.

Akihiro Tanaka

Akio Tajima

Wakako Maeda

Seigo Takahashi

Takeyuki Yatsu

Ryuji Tsuzuki

Hamao Umezawa

Sumio Umezawa

Tsutomu Tsuchiya

Takashi Fujikura

Masaki Yokota

Tomio Takeuchi

Tomoyuki Hino

Shuichi Sakamoto

Hiroshi Sakai

Makoto Igarashi

Motoji Suzuki

Akira Matsuhisa

Chaitanya Prasad Narisetty

Takeshi Takeuchi

Neda Cvijetic

Hiroshi Kanazawa

Hiroyuki Koshio

Yuma Matsuda

Nobuaki Taniguchi

Ken-ichiro Sakamoto

Ting Wang

Mitsunori Iima

Toshiharu Ito

Manabu Arikawa

Noriki Ito

Kohei Hosokawa

Yoshinobu Nagano

Masataka Nishiyama

Atsuki Yamazaki

Koichiro Takahashi

Yoso Numasaki

Hidetoshi Asahara

Toshihide Nagasawa

Shinji Watanabe

Hiroshi Yamamoto

Philip N Ji

Takeshi Murakami

Yoshitaka Nakamura

Kazuo Nakamura

Suguru Takishima

Isao Okuda

Isao Kimura

Masahiko Sasaki

Hiroyuki Maeda

Tatsuya Kimura

Tokuya Ohta

Koichiro Nishikawa

Noriyuki Kawano

Yue Tian

Hiroki Mori

Shimpei Shinozaki

Yasushi Aoki

Satoshi Obana

Osamu Igarashi

Akihisa Tomita

Makoto Iwaki

Hiroshi Kokado

Hayato Fushimi

Shuji Suzuki

Shingo Tanaka

Kenichi Tsutsumi

Hironori Harada

Wataru Kubo

Takahiro Tachibana

Hidenori Iwamoto

Akira Kono

Shigekazu Harada

Hisashi Hayashi

Tatsuya Uchida

Junichi Takeda

Yusuke Yamashina

Hirokazu Kadowaki

Hironori Aso

Jun-ichi Kazami

Toru Shono

Kumiko Shibasaki

Noboru Taguchi

Kazushiro Yokouchi

Hideaki Miyoshi

Masami Ninomiya

Itaru Miyazaki

Eiichiro Tanaka

Tsutomu Uno

Takashi Kanai

Yoshihiro Nanbu

Shuuji Suzuki

Akihiro Mano

Yukihiro Ueno

Hironori Urasawa

Mitsuru Hirai

Noriyoshi Komiyama

Shuichi Sakuda

Susumu Watanuki

Katsumi Sudou

In optical fiber sensors, sensor signals obtained differ according to the circumstances of installation, in locations being observed, of optical fibers serving as sensors, and it is difficult to perform accurate measurements; therefore, a sensor signal processing apparatus according to the present invention includes variation calculation means for receiving a sensor signal based on scattered light of a light pulse propagating through an optical fiber, and calculating a variation of the sensor signal from a reference value; and normalization processing means for normalizing the variation within a predetermined time, and calculating a normalized variation.

Sensor signal processing apparatus and sensor signal processing method

A submarine device includes a main tail cable connected to a submarine cable, a first branch tail cable including a first group of optical fibers among a plurality of optical fibers included in the main tail cable, a second branch tail cable including a second group of optical fibers among the plurality of optical fibers, a branch member that couples the main tail cable to the first and second branch tail cables and including therein a through hole for branching the plurality of optical fibers included in the main tail cable into the first group and the second group, and a device main body including a first introduction part for introducing the first branch tail cable into the device main body and a second introduction part for introducing the second branch tail cable into the device main body. The branch member is fixed to the device main body.

Submarine device, method of configuring submarine device, and submarine cable system

An inspection system for a fabricated object formed by layering powder includes an acquisition unit that acquires an image of a surface of each of layers, an identification unit that identifies a defect portion (protruding portion or recessed portion) on the surface of the powder and a position of the defect portion based on the acquired image, and a determination unit that determines that an abnormality occurs when the defect portion successively occurs at a same position in the plurality of layers.

Inspection system, inspection method, and inspection program

The present disclosure provides a traffic prediction apparatus, system, method and program capable of predicting the number of vehicles and the speed of vehicles in a predetermined time and in a predetermined range based on waterfall data of vehicles. The traffic prediction apparatus comprises acquisition means for acquiring waterfall data comprising a generation position of a vibration, a generation time of the vibration and an amplitude of the vibration generated by a vehicle traveling on a road, pre-processing means for transforming the acquired waterfall data, generation means for training a portion of the plurality of processed waterfall data and at least one corresponding ground truth traffic property used as plurality of labels to generate a trained model, wherein the ground truth may be obtained from a secondary acquisition means, and prediction means for predicting at least one traffic property for a processed waterfall data.

Traffic prediction apparatus, system, method, and non-transitory computer readable medium

According to one example embodiment, an optical fiber sensor includes an optical fiber cable and a device body configured to cause an optical pulse signal to be incident on the optical fiber cable and identify, from intensity change of backscattered light of the incident optical pulse signal and an arrival time of the backscattered light, a prescribed environmental change having occurred in a vicinity of the optical fiber cable and an occurrence location of the environmental change, in which the device body performs correction of a sensing location on the optical fiber cable, based on environmental change information including the identified occurrence location and installation location information of the optical fiber cable.

Optical fiber sensor, and monitoring system

An object of the present invention is to provide ultrafine fibrous cellulose capable of exhibiting excellent coating suitability when added to paint. The present invention relates to fibrous cellulose having a fiber width of 1,000 nm or less, in which, when the fibrous cellulose is dispersed in water to form a dispersion liquid having a viscosity of 2,500 mPa·s at 23° C., and the dispersion liquid is stirred under predetermined stirring conditions, a viscosity change rate falls within ±50%, calculated by the following formula: viscosity change rate (%)=(viscosity after stirring−viscosity before stirring)/viscosity before stirring×100.

Fibrous cellulose, fibrous cellulose dispersion, and production method for fibrous cellulose

A receiver comprises: optical signal distributing means for distributing an optical signal transmitted to detect a detection target on a traveling path to two or more paths; a detection unit configured to detect a received light intensity of the optical signal at a first position where the received light intensity increases when the optical axis is shifted and at a second position where the received light intensity decreases; an intensity ratio calculation unit configured to calculate a ratio between the received light intensity at the first position and the second position based on the output of the detection unit; and a determination unit configured to determine whether or not there is an optical axis shift based on a change in the ratio of the received light intensity calculated by the intensity ratio calculation unit.

Receiver, detection system, and detection method

A structure deterioration detection system includes an optical fiber cable that is placed along the longitudinal direction of a structure and continuously detects any vibration along the longitudinal direction of the structure, and a signal processing unit including a vibration measurement unit that measures the strength of a detected vibration, a per unit time integration unit that integrates the vibration strength for a specified period of time, an information storage unit that stores the integrated vibration strength, and a deterioration determination unit that makes a determination about whether deterioration of the structure has occurred by comparing the integrated vibration strengths at different times.

Structure deterioration detection system for making a determination about whether deterioration has occurred

A detection unit receives an optical signal that has passed through a space to be measured. A spectrum extraction unit extracts a range to be measured from the optical signal received by the detection unit. The spectrum extraction unit extracts an optical signal formed as a gas molecule of a gas to be measured absorbs energy of the optical signal. A determination unit determines the presence of an anomaly in the space to be measured based on a waveform of the optical signal extracted by the spectrum extraction unit.

Receiver, early anomaly detection system and method, and computer-readable medium

A receiver () according to the present disclosure includes: a detection unit () including a sensor configured to receive a first optical signal of a wavelength included in an absorption band of water molecules and a second optical signal of a wavelength included in an absorption band of carbon dioxide molecules, a signal processing unit () configured to calculate a water vapor concentration and a carbon dioxide concentration from changes of intensities of the first and second optical signals, and a determination unit () configured to determine whether or not there is a fire that is caused by alcohol combustion based on the water vapor concentration and the carbon dioxide concentration.

Receiver, fire detection system, and fire detection method

In an aspect of the present disclosure, a submarine device includes a main tail cable connected to a submarine cable, a first branch tail cable including a first group of optical fibers among a plurality of optical fibers included in the main tail cable, a second branch tail cable including a second group of optical fibers among the plurality of optical fibers, a branch member that couples the main tail cable to the first and second branch tail cables and including therein a through hole for branching the plurality of optical fibers included in the main tail cable into the first group and the second group, and a device main body including a first introduction part for introducing the first branch tail cable into the device main body and a second introduction part for introducing the second branch tail cable into the device main body.

A semiconductor device includes a semiconductor part including a first surface, a second surface, a first region provided between the first surface and the second surface, and a second region provided between the first surface and the second surface; a common electrode provided at the second surface; a first electrode provided on the first surface at the first region; a second electrode provided on the first surface at the second region and separated from the first electrode; a first control electrode provided in the first region; and a second control electrode provided in the second region. A first trench is provided in the common electrode.

Semiconductor device

An analysis method includes: obtaining n&#xd7;m pieces of map data by repeating, m times, a map measurement in which n pieces of map data are obtained by scanning a specimen with a primary probe to detect electrons emitted from the specimen with an electron spectrometer, while measurement energy ranges of an analyzer are varied; and generating a spectral map in which a position on the specimen is associated with a spectrum based on the n&#xd7;m pieces of map data, the measurement energy ranges of m times of the map measurement not overlapping each other.

Analysis method and analysis apparatus

A cosmetic container including a wiper capable of avoiding a pumping phenomenon without deterioration in scraping effect is provided. A wiper fitted to an opening of a cosmetic container includes a plurality of tongue pieces having the same shape disposed evenly in a circumferential direction and extending downward inside the container. Regions of the tongue pieces adjacent to each other partially overlap in the circumferential direction and are joined integrally at the overlapping portion. A length of the tongue pieces in an axial direction gradually decreases from one circumferential side edge portion toward the other side edge portion. In the overlapping portion, a tongue piece side short in the axial direction is disposed inside so as to form a groove between the tongue pieces, extending in the circumferential direction, that allows for air to pass between outside and inside spaces of the wiper.

Cosmetic container

A fire detection system includes a transmitter including a light source that sends an optical signal and a receiver including a detector that detects the optical signal sent from the light source through a predetermined light propagation section, a signal processing unit that calculates at least one of a first gas concentration, a first smoke concentration, and a first temperature in the light propagation section based on the optical signal, a sensor that acquires at least one of a second gas concentration, a second smoke concentration, and a second temperature in the surroundings, and a determiner that determines whether there is a fire by comparing at least one of the first gas concentration, the first smoke concentration, and the first temperature with at least one of the second gas concentration, the second smoke concentration, and the second temperature in the surroundings.

Fire detection system and fire detection method

Growing community of inventors

Tokyo, Japan

Akihiro Tanaka