Shigeki Sakaguchi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multichannel optical path changing device and its production method
- Patent number 7,333,704
- Issue date Feb 19, 2008
- Central Glass Company, Limited
- Toru Tanaka
- G02 - OPTICS
Information Patent Grant
Process for producing polyimide platy object
- Patent number 6,750,320
- Issue date Jun 15, 2004
- Central Glass Company, Limited
- Yoshihiro Moroi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Multichannel optical path changing device and its production method
- Publication number 20070140636
- Publication date Jun 21, 2007
- Central Glass Company, Limited
- Toru Tanaka
- G02 - OPTICS
Information Patent Application
Process for producing polyimide platy object
- Publication number 20020123610
- Publication date Sep 5, 2002
- Yoshihiro Moroi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL