Masakazu Tokunaga

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Himeji-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Functioning optical lens and production method thereof
- Patent number 8,703,296
- Issue date Apr 22, 2014
- Daicel-Evonik Ltd.
- Toshihiko Fujinaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Functioning optical lens and production method thereof
- Publication number 20070148482
- Publication date Jun 28, 2007
- DAICEL-DEGUSSA LTD.
- Toshihiko Fujinaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL