Masao Hamada

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lens sheet and method of manufacturing the same
- Patent number 6,870,674
- Issue date Mar 22, 2005
- Mitsubishi Rayon Co., Ltd.
- Makoto Ookawa
- G02 - OPTICS
Information Patent Grant
Lens sheet and method for producing the same
- Patent number 6,628,460
- Issue date Sep 30, 2003
- Mitsubishi Rayon Co., Ltd.
- Makoto Ookawa
- G02 - OPTICS
Information Patent Grant
Active energy ray-curable composition and lens sheet
- Patent number 6,206,550
- Issue date Mar 27, 2001
- Mitsubishi Rayon Company Ltd.
- Hiroshi Fukushima
- G02 - OPTICS
Information Patent Grant
Active energy ray-curable composition and lens sheet
- Patent number 5,969,867
- Issue date Oct 19, 1999
- Mitsubishi Rayon Company Ltd.
- Hiroshi Fukushima
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Lens sheet and method of manufacturing the same
- Publication number 20040075897
- Publication date Apr 22, 2004
- Mitsubishi Rayon Co., Ltd.
- Makoto Ookawa
- G02 - OPTICS