Tokai Kogaku Co., Ltd.

Follow

Organization

JP

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Plastic lens for spectacles
- Patent number 7,178,919
- Issue date Feb 20, 2007
- Tokai Kogaku Co., Ltd.
- Yuji Kato
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Progressive power presbyopia-correcting ophthalmic lenses
- Patent number 5,777,716
- Issue date Jul 7, 1998
- Tokai Kogaku Kabushiki Kaisha
- Hitoshi Miura
- G02 - OPTICS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks