Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595652 | Surface lighting device | Rika Narumi, Mitsuo Tsuji | 2003-07-22 |
| 6502947 | Planar light source device and liquid crystal display apparatus | Hiroki Matsumoto, Yasuko Hayashi | 2003-01-07 |
| 6332691 | Surface light source device, and liquid crystal display device, sign display apparatus and traffic sign display apparatus using the surface light source device | Issei Chiba, Yasuko Hayashi | 2001-12-25 |
| 6312787 | Resin sheet, process and apparatus for producing same, surface light source element and laminate | Yasuko Hayashi, Issei Chiba | 2001-11-06 |
| 6244719 | Surface light source device and liquid crystal display device sign display apparatus and traffic sign display apparatus using the surface light source device | Issei Chiba, Yasuko Hayashi | 2001-06-12 |
| 6099135 | Surface light source element and liquid crystal display device, sign device and traffic control sign device using same | Issei Chiba, Yasuko Hayashi | 2000-08-08 |
| 5484494 | Amorphous alloy and method for its production | Kensuke Kamada, Takatoshi Kubo | 1996-01-16 |
| 5435903 | Process for the electrodeposition of an amorphous cobalt-iron-phosphorus alloy | Hidehiko Ohashi, Kensuke Kamada | 1995-07-25 |
| 4183666 | Method of measuring light transmission losses of optical materials | Yasuteru Tahara, Shunsuke Minami, Mikio Sera | 1980-01-15 |