Isao Karasawa

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device for manufacturing plastic lens
- Patent number 7,249,941
- Issue date Jul 31, 2007
- Seiko Epson Corporation
- Isao Karasawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polishing jig, conveyor tray, conveying method and conveying device
- Patent number 7,074,119
- Issue date Jul 11, 2006
- Seiko Epson Corporation
- Makoto Miyazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Scrub washing method, scrub washing device, lens forming die drying...
- Publication number 20050286016
- Publication date Dec 29, 2005
- SEIKO EPSON CORPORATION
- Takashi Hosoda
- B08 - CLEANING
Information Patent Application
Method and device for pouring plastic raw material liquid
- Publication number 20050263207
- Publication date Dec 1, 2005
- Isao Karasawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Device for manufacturing plastic lens
- Publication number 20050112225
- Publication date May 26, 2005
- Seiko Epson Corporation
- Isao Karasawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Polishing jig, conveyor tray, conveying method and conveying device
- Publication number 20040231958
- Publication date Nov 25, 2004
- Makoto Miyazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR