Tetsuya Asai

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Screw and screw fastening structure
- Patent number 7,976,258
- Issue date Jul 12, 2011
- Saga Tekkohsho Co., Ltd.
- Tetsuya Asai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot forged non-heat treated steel for induction hardening
- Patent number 7,387,691
- Issue date Jun 17, 2008
- Sumitomo Metal Industries, Ltd.
- Daisuke Suzuki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
SCREW AND SCREW FASTENING STRUCTURE
- Publication number 20090290953
- Publication date Nov 26, 2009
- Tetsuya Asai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Soft-nitrided parts made of non-heat treated steel
- Publication number 20080000553
- Publication date Jan 3, 2008
- Naoyuki Sano
- C21 - METALLURGY OF IRON
Information Patent Application
Nitrocarburized microalloyed steel member
- Publication number 20070144619
- Publication date Jun 28, 2007
- HONDA MOTOR CO., LTD.
- Tetsuya Asai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Hot forged non-heat treated steel for induction hardening
- Publication number 20060137771
- Publication date Jun 29, 2006
- Daisuke Suzuki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...