Japan Tobacco Inc.

Nippon Steel Corporation

Nippon Steel Sg Wire Co., Ltd.

Nippon Hoso' Kyokai

Kabushikikaisha Kenwood

Nihon Dixie Company Limited

Nhk Spring Co., Ltd.

Aisin Corporation

Tokyo Medical and Dental University

Leader Electronics Corporation

Toa Paint Co. Ltd.

Shoichi Suzuki

Masao Arai

Kaori Hamano

Yutaka Neishi

Tatsuro Ochi

Shinya Teramoto

Michimasa Aono

Ayako Nomura

Mai Tsukahara

Kenichi Shiraishi

Shuji Kozawa

Toshiyuki Takegahara

James Nigel Burnell

Yasuaki Kanatsugu

Yutaka Tanaka

Yuta Negishi

Fumio Takahashi

Seiki Sato

Taiichiro Kurita

Taiji Nishizawa

Kazumasa Enami

Junji Kumada

Atsushi Shinoda

Hiroyuki Nagasaka

Haruo Okuda

Ryoichi Yajima

Shigekazu Nishimoto

Hisakazu Kato

Satoru Mineta

Mitsuhiro Kondo

Soichiro Noguchi

Nobuhiko Murai

Yoshimitsu Takakura

Akihiro Horii

Yukoh Hiei

Yoshio Takeuchi

Kaoru Watanabe

Yoshinori Izumi

Shoji Matsuda

Seiichi Gohshi

Hiroshi Hirabayashi

Kazuhiko Shibuya

Toshiyuki Komori

Isao Kondo

Kazuo Takakuda

Minoru Honda

Yuji Nojiri

Makoto Okui

Shozo Ohta

Hideki Suganami

Satoru Koizumi

Akira Iioka

Yoshiki Kuraya

Ichiro Yuyama

Hisao Okada

Makoto Tadenuma

Shigehiro Yamada

Ryuichi Okazaki

Junji Tanaka

Yoichi Oi

Patrick M Finnegan

Naoki Takabayashi

Sumio Yano

Hiroyuki Hamazumi

Iwao Obata

Kenji Nakashima

Hajime Sonehara

Masayoshi Uezono

Takahiro Wada

Keiji Moriyama

A damper spring which has an excellent fatigue limit is provided. A chemical composition of the damper spring according to the present embodiment contains in mass %, C: 0.50 to 0.80%, Si: 1.20 to less than 2.50%, Mn: 0.25 to 1.00%, P: 0.020% or less, S: 0.020% or less, Cr: 0.40 to 1.90%, V: 0.05 to 0.60%, and N: 0.0100% or less, with the balance being Fe and impurities. In the damper spring, a number density of V-based precipitates having a maximum diameter ranging from 2 to 10 nm is 5000 to 80000 pieces/μm.

Damper spring

A valve spring which has an excellent fatigue limit is provided. A chemical composition of the valve spring according to the present embodiment contains, in mass %, C: 0.50 to 0.80%, Si: 1.20 to less than 2.50%, Mn: 0.25 to 1.00%, P: 0.020% or less. S: 0.020% or less: Cr: 0.40 to 1.90%, V: 0.05 to 0.60%, Ca: 0.0001 to 0.0050%, and N: 0.0100% or less, with the balance being Fe and impurities. In the valve spring, a number density of V-based precipitates having a maximum diameter ranging from 2 to 10 nm is 5000 to 80000 pieces/μm, and a numerical proportion of Ca sulfides with respect to a total number of oxide-based inclusions and sulfide-based inclusions is 0.20% or less.

Valve spring

A damper spring having an excellent fatigue limit is provided. A damper spring according to the present embodiment includes a nitrided layer formed in an outer layer, and a core portion that is further inward than the nitrided layer. The chemical composition of the core portion consists of, in mass %, C: 0.53 to 0.59%, Si: 2.51 to 2.90%, Mn: 0.70 to 0.85%, P: 0.020% or less, S: 0.020% or less, Cr: 1.40 to 1.70%, Mo: 0.17 to 0.53%, V: 0.23 to 0.33%, Cu: 0.050% or less, Ni: 0.050% or less, Al: 0.0050% or less, Ti: 0.050% or less, N: 0.0070% or less, and Nb: 0 to 0.020%, with the balance being Fe and impurities. In the core portion, a number density of V-based precipitates having a maximum diameter ranging from 2 to 10 nm is 500 to 8000 pieces/μm.

A valve spring includes a nitrided layer, and a core portion that is further inward than the nitrided layer. A chemical composition of the core portion consists of, in mass %, C: 0.53 to 0.59%, Si: 2.51 to 2.90%, Mn: 0.70 to 0.85%, P: 0.020% or less, S: 0.020% or less, Cr: 1.40 to 1.70%, Mo: 0.17 to 0.53%, V: 0.23 to 0.33%, Ca: 0.0001 to 0.0050%, Cu: 0.050% or less, Ni: 0.050% or less, Al: 0.0050% or less, Ti: 0.050% or less, and N: 0.0070% or less, with the balance being Fe and impurities. In the core portion, a number density of V-based precipitates having a maximum diameter ranging from 2 to 10 nm is 500 to 8000 per μm, and in the core portion, a numerical proportion of Ca sulfides with respect to a total number of oxide-based inclusions and sulfide-based inclusions is 0.20% or less.

A steel wire which has an excellent fatigue limit when made into a spring is provided. A chemical composition of the steel wire according to the present embodiment consists of, in mass %, C: 0.53 to 0.59%, Si: 2.51 to 2.90%, Mn: 0.70 to 0.85%, P: 0.020% or less, S: 0.020% or less, Cr 1.40 to 1.70%, Mo: 0.17 to 0.53%, V: 0.23 to 0.33%, Cu: 0.050% or less, Ni: 0.050% or less, Al: 0.0050% or less, Ti: 0.050% or less, N: 0.0070% or less, Ca: 0 to 0.0050%, and Nb: 0 to 0.020%, with the balance being Fe and impurities. In the steel wire, a number density of V-based precipitates having a maximum diameter ranging from 2 to 10 nm is 500 to 8000 pieces/μm.

Steel wire

Provided are (i) a tobacco plant which is suitable for cultivation for harvesting leaf tobaccos, (ii) a method of obtaining the tobacco plant, (iii) a harvest from the tobacco plant, and (iv) a processed product of the harvest. The present invention encompasses (i) a tobacco plant into which a mutation for suppressing the development of primary axillary buds is introduced, (ii) a method of obtaining the tobacco plant, (iii) a harvest from the tobacco plant, and (iv) a processed product of the harvest.

Tobacco plant and production method thereof

Provided is a tobacco plant which is suitable for cultivation for harvesting leaf tobaccos. The present invention encompasses (i) a tobacco plant into which a mutation for suppressing the development of primary axillary buds is introduced, (ii) a method of obtaining the tobacco plant, (iii) a harvest from the tobacco plant, and (iv) a processed product of the harvest.

The present invention provides a tobacco plant which is suitable for cultivation for harvesting leaf tobaccos. The present invention includes (i) a tobacco plant in which a mutation for suppressing the development of axillary buds is introduced and (ii) a method of producing the tobacco plant.

Tobacco plant and method for manufacturing same

A medical device includes a shaft portion with a hollow shape and inflected portions or an exposed portion. The shaft portion is inserted into a cortical bone or penetrates through the cortical bone and is inserted to a position reaching a cancellous bone at an inner side of the cortical bone. The inflected portions are inflected to radial direction outer sides from one end portion of an axial direction of the shaft portion, and are exposed at a surface of the cortical bone. The exposed portion includes a portion that extends to the radial direction outer side from the one end portion of the axial direction of the shaft portion, and is exposed at the surface of the cortical bone.

Medical device, device structures for dentistry, for head and neck surgery and for orthopedic surgery, and method for bonding medical device to bone

The present invention provides a polynucleotide having a function of regulating a content of a plant metabolite, a polypeptide having a function of regulating a content of a plant metabolite, a vector containing the polynucleotide or a part of the polynucleotide, and a transformed plant produced by using the vector. Examples of such polynucleotides or polypeptides include polynucleotides or polypeptides with homology with quinolinate synthase or those which are predicted to be transcription factors. A method for producing the transformed plant is additionally included.

Tobacco enzymes for regulating content of plant metabolites, and use thereof

The present invention provides a polynucleotide having a function of regulating a content of a plant metabolite, a polypeptide having a function of regulating a content of a plant metabolite, a vector containing the polynucleotide or a part of the polynucleotide, and a transformed plant produced by using the vector, and a method for producing the transformed plant, and according to the above polynucleotide, polypeptide, vector, transformed plant and method, a novel gene regulating a content of a plant metabolite and use of the novel gene.

Tobacco enzymes for regulating content of plant metabolites, and uses thereof

The purpose of the present invention is to provide the rice restorer gene to the rice BT type cytoplasmic male sterility. The gene of the present invention comprises a nucleic acid encoding the amino acid sequence of SEQ ID NO. 75, or an amino acid sequence which is identical to at least 70% of the amino acid sequence of SEQ ID NO. 75, and which functions to restore fertility. Preferably, the gene of the present invention has the base sequence of SEQ ID NOS:69-74, 80-85 or the bases 43907-46279 of SEQ ID NO:27.

Rice restorer gene to the rice BT type cytoplasmic male sterility

A digital satellite broadcast receiver capable of an optimum signal reception even when an arbitrary outdoor unit is connected. Please noise characteristics of an outdoor unit connected to a digital satellite broadcast receiver when receiving a burst symbol is estimated based on a bit error rate of an 8PSK modulation signal determined by a trellis decoder () when a CNR measured by a CNR measurement circuit () is equal to a preset value, and, based on the estimated phase noise characteristics of the outdoor unit, a filter factor of a loop filter () inserted into a carrier regenerative loop is set.

Radio digital signal receiver

The present invention relates a method for transforming a rice plant to provide it with a C4 photosynthetic pathway by way of the introduction of some genes participating in a C4 photosynthetic pathway. To this end, the method of the invention comprises introducing a phosphoenolpyruvate carboxylase (PEPC) and a gene coding for a phosphoenolpyruvate carboxykinase (PCK) which has been connected with a DNA fragment coding for a transit peptide into a rice plant.

Rice plants transformed to provide a PCK-type C4 cycle and methods of making

Growing community of inventors

Tokyo, Japan

Shoichi Suzuki