KOHKEN KOGYO CO., LTD.

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Saitama, JP

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING DISK SUBSTRATE
- Publication number 20090104853
- Publication date Apr 23, 2009
- The Furukawa Electric CO., LTD
- Tetsuo Suzuki
- B24 - GRINDING POLISHING
Information Patent Application
METHOD OF MANUFACTURING GLASS SUBSTRATE
- Publication number 20090038743
- Publication date Feb 12, 2009
- The Furukawa Electric CO., LTD
- Tetsuo SUZUKI
- B24 - GRINDING POLISHING
Information Patent Application
CHAMFERING APPARATUS FOR CHAMFERING GLASS SUBSTRATES
- Publication number 20090042493
- Publication date Feb 12, 2009
- SHODA TECHTRON CORP.
- Kazuhiro NAKIRI
- B24 - GRINDING POLISHING

Trademarklast 30 trademarks