Canon Kabushiki Kaisha

Shonan Gosei-jushi Seisakusho K.k.

Omron Healthcare Company Ltd.

Rohm Co., Ltd.

Kaneka Corporation

Hitachi, Ltd.

Omron Corporation

Other

Kanegafuchi Kagaku Kogyo Kabushiki Kaisha

Honda Giken Kogyo Kabushiki Kaisha

Denki Kagaku Kogyo Kabushiki Kaisha

Denka Company Limited

Dainippon Screen Mfg. Co., Ltd.

Thk Co., Ltd.

Osaka City University

Kenji Fujii

Takao Kamiyama

Koji Kaneta

Jun Yamamuro

Yoshinori Tagawa

Hiroyuki Murayama

Shuji Koyama

Keiji Matsumoto

Kazuhiro Asai

Koji Sasaki

Junichi Kobayashi

Makoto Watanabe

Yukiya Sawanoi

Motoharu Haga

Shingo Nagata

Yasumasa Kasuya

Keiji Watanabe

Toshihiko Ogura

Hideo Tamura

Satoshi Ibe

Yasunori Kaneda

Manabu Kitamura

Akihiro Kimura

Yoshiyuki Imanaka

Ichiro Saito

Hironori Sato

Yukuo Yamaguchi

Yasuyoshi Ueda

Chiaki Muraoka

Aya Yoshihira

Shingo Yamashita

Kousuke Kubo

Ken Ikegame

Junichiro Iri

Satoshi Kageyama

Tamaki Sato

Nobuyuki Osaki

Masahisa Watanabe

Seiichiro Yaginuma

Ryotaro Murakami

Kunihito Uohashi

Yoshinobu Urayama

Masaki Ohsumi

Naomi Matsumura

Kazunori Hosoe

Makoto Ishida

Taizo Kawabe

Taichi Yonemoto

Tatsuya Kobayashi

Takanobu Manabe

Reiji Fujita

Mamoru Yamagami

Takayoshi Hidaka

Toshiaki Kurosu

Tomohiko Nakano

Yasuhiro Kawabata

Mitsuru Chida

Takeshi Hasegawa

Keiji Edamatsu

Yusuke Hashimoto

Masataka Nagai

Shuhei Oya

Masamichi Hashimoto

Yoshihide Fuse

Hiroyuki Abo

Ikuo Katsumi

Katsuji Yamashita

Keiji Kameyama

Sakai Yokoyama

Masato Arai

Keisuke Kishimoto

Naoki Matsumoto

Seiko Minami

Kiyohiro Ichinose

Toichi Nagahara

Hajime Okuda

Tadashi Takeo

Jun Kawai

Kenji Ono

Yuichiro Akama

Hideaki Yoshida

Yosuke Takagi

Takahiro Ueda

Hiroyuki Kinoshita

Shin Ishimatsu

Tadashi Uchiyama

Shiro Kitamura

Yasuhiko Tabata

Isamu Horiuchi

Kentaro Mori

Yasuyoshi Watanabe

Masatoshi Ohira

Kunio Takada

Fuminobu Komura

Koichi Homma

Masahiko Yoshino

Yuuji Tamaru

Tsutomu Togashi

A recording element substrate includes an ejection port forming member in which an ejection port configured to eject liquid is formed, and a substrate. The substrate includes a liquid supply port that supplies the liquid to the ejection port, a first surface on which the ejection port forming member is placed, and a second surface that is a rear surface of the first surface. The liquid supply port includes a first portion perpendicularly connected to the first surface, and a second portion connected to the first portion. An inner wall of the second portion includes an inclined surface that is inclined toward an inner wall of the first portion such that a width of the second portion is gradually increased toward the second surface. A hydrophilic film is formed at least on the inner wall of the first portion.

Recording element substrate and method of manufacturing the same

A semiconductor device includes an electric conductor, a semiconductor element, and a bonding layer. The electric conductor has a main surface and a rear surface opposite to the main surface in a thickness direction. The semiconductor element includes a main body and electrodes. The main body has a side facing the main surface of the conductor, and the electrodes each protrude toward the main surface from the side of the main body to be electrically connected to the main surface. The bonding layer is held in contact with the main surface and the electrodes. Each electrode includes a base portion in contact with the main body, and a columnar portion protruding toward the main surface from the base portion to be held in contact with the bonding layer, which is a sintered body of a metal powder.

Semiconductor device with semiconductor element and plural first and second leads

A pulse transit time measuring apparatus according to one aspect includes a belt unit configured to be wrapped around a measurement site of a user, an electrocardiogram acquisition unit including electrodes provided at the belt unit and configured to acquire an electrocardiogram of the user by using the electrodes, a pulse wave signal acquisition unit including a pulse wave sensor provided at the belt unit, and configured to acquire a pulse wave signal representing a pulse wave of the user by using the pulse wave sensor, and a pulse transit time calculation unit configured to calculate a pulse transit time based on a time difference between a waveform characteristic point of the electrocardiogram and a waveform characteristic point of the pulse wave signal.

Pulse transit time measuring apparatus and blood pressure measuring apparatus

A method of welding a first member and a second member together includes preparing the first member and the second member, bringing the first member and the second member into contact to form a space between the first member and the second member, and bringing a welding horn into contact with the first member or the second member. The method of welding further includes performing a vibration process to vibrate the welding horn to weld the first member and the second member together by frictional heat, and performing a fluid-flow process to make fluid flow through the space. The fluid-flow process is performed during the vibration process.

Method, method of manufacturing liquid discharge head, and liquid discharge head

A biometric data measurement system and method, including a transmitting device including a measurement unit configured to measure a first biometric data, a setting unit configured to set a first reference time corresponding to an occurrence time of a first feature value of the first biometric data, and a transmission unit configured to transmit a signal at a time when a predetermined first time period has elapsed since the first reference time, and a receiving device including a measurement unit configured to measure a second biometric data, a setting unit configured to set a second reference time corresponding to an occurrence time of a second feature value of the second biometric data, and a reception unit configured to maintain an awaiting state for the signal during a third time period from a time when a second time period has elapsed since the second reference time.

Biometric data measurement system and biometric data measurement method

A belt and electrocardiographic measurement device, the belt including a belt body windable around an upper arm in a circumferential direction of the upper arm, and an electrode array including a plurality of electrodes fixed to an inner surface of the belt body and arranged side by side in a direction, which is a longitudinal direction of the belt body, the plurality of electrodes being more than N+2 in number, where N is a number of electrodes required for obtaining electrocardiographic information, the electrodes, counted from a first electrode located at a first end in the direction (X) by counting including the first electrode, to the (N+1)th electrode in the direction (X) being arranged at equal intervals that are predetermined intervals, and intervals between each of the (N+1)th and subsequent electrodes being greater than the predetermined interval.

Belt and electrocardiogrameasurement device

Semiconductor device with electrodes having a columnar portion

A pulse wave measurement device including: a belt to be worn around a measurement target site; first and second pulse wave sensors that are mounted on the belt spaced from each other with respect to a width direction of the belt, and that detect pulse waves of opposing portions of an artery passing through the measurement target site; a pressing unit that is mounted on the belt is capable of changing pressing forces of the pulse wave sensors against the measurement target site; a waveform comparing unit that acquires pulse wave signals which are time-sequentially output by the pulse wave sensors respectively, and compares waveforms of the pulse wave signals; and a pulse wave sensor pressing force setting unit that variably sets the pressing forces by the pressing unit such that the waveforms of the pulse wave signals compared by the waveform comparing unit become identical to each other.

Pulse wave measurement device, pulse wave measurement method, and blood pressure measurement device

Provided is a water leakage detection method for detecting water leakage of a water pipe by a water leakage detection apparatus that includes a processor and a display device. The method includes: a first procedure of the processor acquiring a water leakage detection result of the water pipe in a district metered area, the district metered area being a range to be measured by a flow meter; a second procedure of the processor acquiring a water leakage detection result of the water pipe obtained based on measurement data of a vibration sensor terminal attached to the water pipe; and a third procedure of the processor outputting, a screen for displaying the water leakage detection result obtained based on the measurement data of the flow meter together with the water leakage detection result obtained.

Water leakage detection method, water leakage detection apparatus, and vibration sensor terminal

A blood pressure measurement device according to one aspect includes: a blood pressure measurement unit configured to measure blood pressure at a measurement target site of a measurement target subject; a pulse transit time measurement unit configured to measure a pulse transit time at the measurement target site of the measurement target subject; a blood pressure value calculation unit configured to calculate a blood pressure value, on the basis of measurement results of the pulse transit time and a relational expression representing a correlation between the pulse transit time and the blood pressure; a posture instruction unit configured to instruct the measurement target subject to assume a plurality of postures in which height positions of the measurement target site with respect to a heart of the measurement target subject are different from each other; and a calibration unit configured to calibrate the relational expression, on the basis of the blood pressure measured by the blood pressure measurement unit and the pulse transit time measured by the pulse transit time measurement unit, for each of the plurality of postures.

Blood pressure measurement device

A belt to be mounted around a measurement site; first pulse wave sensor and second pulse wave sensor mounted on the belt, separated from each other, configured to detect pulse waves in an artery passing through the measurement site; and pressing member mounted on the belt, capable of pressing first pulse wave sensor and second pulse wave sensor against the measurement site while varying pressing force. Time difference between first and second pulse wave signals is acquired as pulse transit time. Blood pressure is calculated based on the pulse transit time acquired by the measurement processing unit by using a predetermined correspondence equation between pulse transit time and blood pressure. Pulse transit time is acquired with the measurement processing unit while pressing force by pressing member is changed in resting state, and corresponding equation is calibrated based on plurality of pulse transit times corresponding to plurality of respective pressing forces.

Blood pressure measurement device and blood pressure measurement method

Semiconductor device

A liquid ejecting head having high reliability can be manufactured such that the occurrence of cracks in the print element substrate can be suppressed. The supply port of the print element substrate has an opening, the opening width of which at each end portion in the longitudinal direction is narrower than the opening width at the center portion in the longitudinal direction.

Liquid ejecting head and method of manufacturing liquid ejecting head

A liquid ejection head includes a substrate, an ejection orifice forming member having a plurality of ejection orifices for ejecting a liquid, and an intermediate layer provided between the substrate and the ejection orifice forming member. The substrate has a supply path for supplying the liquid to the plurality of ejection orifices, the ejection orifice forming member has a common liquid chamber communicating with the plurality of ejection orifices, the supply path and the common liquid chamber communicate with each other via a filter portion including a plurality of holes formed in the intermediate layer, the ejection orifice forming member has a wall portion that protrudes into the common liquid chamber at a position opposed to the filter portion, and the wall portion extends along a direction intersecting an arrangement direction of the plurality of ejection orifices.

Liquid ejection head

Provided are a liquid ejection head capable of preventing deformation and breakage of a filter and a method of manufacturing the liquid ejection head. The liquid ejection head comprises: a substrate comprising a supply port through which to supply a liquid and an element configured to produce energy for ejecting the liquid; a resin layer comprising an ejection port through which the liquid is ejectable with the energy produced by the element, and a flow channel connecting the supply port and the ejection port; a filter disposed between the supply port and the flow channel; and a support portion supporting a surface of the filter on the supply port side and a surface of the filter on the flow channel side.

Liquid ejection head and method of manufacturing liquid ejection head

Growing community of inventors

Yokohama, Japan

Kenji Fujii