Yoshiyuki Aoki

Follow

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Laminated body for optical purposes that includes a melanin-contain...
- Patent number 7,872,795
- Issue date Jan 18, 2011
- MGC Filsheet Co., Ltd.
- Ryozo Kawai
- B32 - LAYERED PRODUCTS
Information Patent Grant
Light control plastic lens, coated sheet-like light control element...
- Patent number 7,350,917
- Issue date Apr 1, 2008
- Ryozo Kawai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Laminated body for optical purposes that includes a melanin-contain...
- Publication number 20090323179
- Publication date Dec 31, 2009
- MGC FILSHEET CO., LTD.
- Ryozo Kawai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING MELANIN, MELANIN PRODUCED BY THE PROCESS, FUN...
- Publication number 20090317616
- Publication date Dec 24, 2009
- Ryozo Kawai
- G02 - OPTICS
Information Patent Application
Light control plastic lens, coated sheet-like light control element...
- Publication number 20050168690
- Publication date Aug 4, 2005
- FUJI KASEI CO., LTD.
- Ryozo Kawai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL