Hiroshi Ohtsubo

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Seki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Coated cutting edge of a blade member
- Patent number 8,621,757
- Issue date Jan 7, 2014
- Kai R & D Center Co., Ltd.
- Koichiro Akari
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Blade member, and edge working apparatus for the blade member
- Patent number 8,522,645
- Issue date Sep 3, 2013
- Nagata Seiki Co., Ltd.
- Kensuke Uemura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cutting blade and method of producing the same
- Patent number 7,060,367
- Issue date Jun 13, 2006
- Kai R & D Center Co., Ltd.
- Katsuaki Yamada
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Razor and its handle
- Patent number 6,886,262
- Issue date May 3, 2005
- Kai R & D Center Co., Ltd.
- Hiroshi Ohtsubo
- B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

Information Patent Application
BLADE MEMBER, AND EDGE WORKING APPARATUS FOR THE BLADE MEMBER
- Publication number 20100288097
- Publication date Nov 18, 2010
- NAGATA SEIKI CO., LTD.
- Kensuke UEMURA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
BLADE MEMBER
- Publication number 20100024222
- Publication date Feb 4, 2010
- Koichiro Akari
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Cutting blade and method of producing the same
- Publication number 20040099120
- Publication date May 27, 2004
- Katsuaki Yamada
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Razor and its handle
- Publication number 20040093735
- Publication date May 20, 2004
- Hiroshi Ohtsubo
- B26 - HAND CUTTING TOOLS CUTTING SEVERING