Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8766732 | Multi-screw chaotic oscillator circuit | Yoshihiko Horio, Kenya Jinno, Kazuyuki Aihara | 2014-07-01 |
| 8648584 | Multi-hysteresis voltage controlled current source system | Yoshihiko Horio, Kenya Jinno, Kazuyuki Aihara | 2014-02-11 |
| 7446465 | Multi color luminous fluorescent display device | Hitoshi Toki, Tomohiro Yamada, Masahiro Kato | 2008-11-04 |
| 7205711 | Fluorescent display device and phosphor paste | Masahiro Kato, Tomohiro Yamada, Kazunori Kitagawa, Hitoshi Toki | 2007-04-17 |
| 6761836 | Phosphor and flourescent display device | Kazunori Kitagawa, Hitoshi Toki | 2004-07-13 |
| 6690119 | Phosphor, method for preparing phosphor layer and vacuum fluorescent display | Kazunori Kitagawa, Hitoshi Toki | 2004-02-10 |
| 6673269 | Phosphor material and its method of manufacture | Tomokazu Suzuki, Kazunori Kitagawa, Hitoshi Toki | 2004-01-06 |