Yoshiki Nishigaki

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Niihama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light transmitting plate
- Patent number 6,869,197
- Issue date Mar 22, 2005
- Sumitomo Chemical Company, Limited
- Yoshiki Nishigaki
- G02 - OPTICS
Information Patent Grant
Method for producing light transmitting plate
- Patent number 6,776,931
- Issue date Aug 17, 2004
- Sumitomo Chemical Company, Limited
- Yoshiki Nishigaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for producing resin article having undercut shape
- Patent number 6,045,746
- Issue date Apr 4, 2000
- Sumitomo Chemical Co., Ltd.
- Shozo Komine
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method for producing light transmitting plate
- Publication number 20050189665
- Publication date Sep 1, 2005
- Sumitomo Chemical Company, Limited
- Yoshiki Nishigaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Process for producing light transmitting plate
- Publication number 20040119204
- Publication date Jun 24, 2004
- Sumitomo Chemical Company, Limited
- Yoshiki Nishigaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Light transmitting plate
- Publication number 20020145861
- Publication date Oct 10, 2002
- Sumitomo Chemical Company, Limited
- Yoshiki Nishigaki
- G02 - OPTICS
Information Patent Application
Method for producing light transmitting plate
- Publication number 20020024158
- Publication date Feb 28, 2002
- Yoshiki Nishigaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL