Kazumasa Kaiwa

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light source device, method of producing the same, and display appa...
- Patent number 7,015,632
- Issue date Mar 21, 2006
- Sharp Kabushiki Kaisha
- Tetsuya Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid crystal display device having an optimized ridged layer to i...
- Patent number 5,550,657
- Issue date Aug 27, 1996
- Fujitsu Limited
- Akira Tanaka
- G02 - OPTICS
Information Patent Grant
Backlight for an electronic display
- Patent number 5,040,098
- Issue date Aug 13, 1991
- Fujitsu Limited
- Akira Tanaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Light source device, method of producing the same, and display appa...
- Publication number 20030062814
- Publication date Apr 3, 2003
- FUJITSU LIMITED
- Tetsuya Kobayashi
- G02 - OPTICS