Tohru Shiraishi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Compression coil spring and method for producing same
- Patent number 10,359,090
- Issue date Jul 23, 2019
- NHK Spring Co., Ltd.
- Kazuya Ikai
- B24 - GRINDING POLISHING
Information Patent Grant
Titanium alloy member and production method therefor
- Patent number 10,350,681
- Issue date Jul 16, 2019
- NHK Spring Co., Ltd.
- Tohru Shiraishi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High-strength titanium alloy member and production method for same
- Patent number 10,151,019
- Issue date Dec 11, 2018
- NHK Spring Co., Ltd.
- Yuji Araoka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Spring forming device and forming method therefor
- Patent number 10,052,677
- Issue date Aug 21, 2018
- NHK Spring Co., Ltd.
- Keita Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Magnesium alloy member and production method therefor
- Patent number 9,920,403
- Issue date Mar 20, 2018
- NHK Spring Co., Ltd.
- Yuji Araoka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Titanium alloy member and production method therefor
- Patent number 9,920,399
- Issue date Mar 20, 2018
- NHK Spring Co., Ltd.
- Tohru Shiraishi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Helical compression spring and method for manufacturing same
- Patent number 9,752,636
- Issue date Sep 5, 2017
- NHK Spring Co., Ltd.
- Yuitirou Ono
- B24 - GRINDING POLISHING
Information Patent Grant
Structure of bearing housing of cylinder block
- Patent number 6,814,043
- Issue date Nov 9, 2004
- Fuji Jukogyo Kabushiki Kaisha
- Kenji Harima
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Metal matrix composite and piston using the same
- Patent number 6,432,557
- Issue date Aug 13, 2002
- NHK Spring Co., Ltd.
- Toshihiro Takehana
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
HELICAL COMPRESSION SPRING AND METHOD FOR PRODUCING SAME
- Publication number 20200240487
- Publication date Jul 30, 2020
- NHK Spring Co., Ltd.
- Toshiyuki AKANUMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SPRING FORMING DEVICE AND FORMING METHOD THEREFOR
- Publication number 20160243607
- Publication date Aug 25, 2016
- NHK Spring Co., Ltd.
- Keita TAKAHASHI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HELICAL COMPRESSION SPRING AND METHOD FOR MANUFACTURING SAME
- Publication number 20150252863
- Publication date Sep 10, 2015
- NHK Spring Co., Ltd.
- Yuitirou Ono
- C21 - METALLURGY OF IRON
Information Patent Application
MAGNESIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
- Publication number 20150104669
- Publication date Apr 16, 2015
- NHK SPRIG CO., LTD.
- Yuji Araoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COMPRESSION COIL SPRING AND METHOD FOR PRODUCING SAME
- Publication number 20140306389
- Publication date Oct 16, 2014
- NHK Spring Co., Ltd.
- Kazuya Ikai
- C21 - METALLURGY OF IRON
Information Patent Application
TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
- Publication number 20140212319
- Publication date Jul 31, 2014
- NHK Spring Co., Ltd.
- Tohru Shiraishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
- Publication number 20140112819
- Publication date Apr 24, 2014
- NHK Spring Co., Ltd.
- Tohru Shiraishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGH-STRENGTH MAGNESIUM ALLOY WIRE ROD, PRODUCTION METHOD THEREFOR,...
- Publication number 20130195711
- Publication date Aug 1, 2013
- NHK Spring Co., Ltd.
- Yuji Araoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGH-STRENGTH TITANIUM ALLOY MEMBER AND PRODUCTION METHOD FOR SAME
- Publication number 20130149183
- Publication date Jun 13, 2013
- NHK Spring Co., Ltd.
- Yuji Araoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Preform structure and method of manufacturing preform and bearing h...
- Publication number 20060046087
- Publication date Mar 2, 2006
- Teruyuki Oda
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Structure of bearing housing of cylinder block
- Publication number 20040123829
- Publication date Jul 1, 2004
- Fuji Jukogyo Kabushiki Kaisha
- Kenji Harima
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Metal matrix composite and piston using the same
- Publication number 20010028948
- Publication date Oct 11, 2001
- NHK Spring Co., Ltd.
- Toshihiro Takehana
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Tohru Shiraishi

Person

Patents Grantslast 30 patents

Compression coil spring and method for producing same

Titanium alloy member and production method therefor

High-strength titanium alloy member and production method for same

Spring forming device and forming method therefor

Magnesium alloy member and production method therefor

Titanium alloy member and production method therefor

Helical compression spring and method for manufacturing same

Structure of bearing housing of cylinder block

Metal matrix composite and piston using the same

Patents Applicationslast 30 patents

HELICAL COMPRESSION SPRING AND METHOD FOR PRODUCING SAME

SPRING FORMING DEVICE AND FORMING METHOD THEREFOR

HELICAL COMPRESSION SPRING AND METHOD FOR MANUFACTURING SAME

MAGNESIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR

COMPRESSION COIL SPRING AND METHOD FOR PRODUCING SAME

TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR

TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR

HIGH-STRENGTH MAGNESIUM ALLOY WIRE ROD, PRODUCTION METHOD THEREFOR,...

HIGH-STRENGTH TITANIUM ALLOY MEMBER AND PRODUCTION METHOD FOR SAME

Preform structure and method of manufacturing preform and bearing h...

Structure of bearing housing of cylinder block

Metal matrix composite and piston using the same