Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5550657 | Liquid crystal display device having an optimized ridged layer to improve luminosity | Akira Tanaka, Yoshinori Mesaki, Akio Sotokawa, Kazumasa Kaiwa | 1996-08-27 |
| 5040098 | Backlight for an electronic display | Akira Tanaka, Shinpei Nagatani, Kazumasa Kaiwa, Kazuaki Yamagishi, Katsumi Yashiro | 1991-08-13 |
| 4920441 | Flexible magnetic diskette | Takashi Kimura, Kenichi Chihara, Kazunobu Inoue, Norio Yano, Osamu Adachi | 1990-04-24 |