Kohei Abukawa

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon nitride member, method for manufacturing the same, and cutt...
- Patent number 6,863,963
- Issue date Mar 8, 2005
- NGK Spark Plug Co., Ltd.
- Kohei Abukawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Sintered silicon nitride and silicon nitride tool
- Patent number 6,861,382
- Issue date Mar 1, 2005
- NGK Spark Plug Co., Ltd.
- Kohei Abukawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cermet tool and method for manufacturing the same
- Patent number 6,410,121
- Issue date Jun 25, 2002
- NGK Spark Plug Co. Ltd.
- Kohei Abukawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cermet tool and method for manufacturing the same
- Patent number 6,231,277
- Issue date May 15, 2001
- NGK Spark Plug Co., Ltd.
- Kohei Abukawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CUTTING INSERT AND CUTTING TOOL
- Publication number 20110182682
- Publication date Jul 28, 2011
- NGK SPARK PLUG CO.,LTD.
- Kohei Abukawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Sialon Insert and Cutting Tool Equipped Therewith
- Publication number 20080119349
- Publication date May 22, 2008
- NGK SPARK PLUG CO., LTD.
- Kohei Abukawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Sintered silicon nitride, cutting tip, wear-resistant member, cutti...
- Publication number 20040009866
- Publication date Jan 15, 2004
- NGK SPARK PLUG CO. LTD.
- Kohei Abukawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Sintered silicon nitride and silicon nitride tool
- Publication number 20030096695
- Publication date May 22, 2003
- NGK SPARK PLUG CO., LTD.
- Kohei Abukawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR