Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744399 | Radar apparatus in which the direction of the antenna is recognizable from outside | Yukio Tohyama, Tsuguhisa Ishii | 2004-06-01 |
| 6075080 | Flux composition | Naoyasu Udono, Takashi Shibuya, Koichi Sekiguchi, Kenji Matsui | 2000-06-13 |
| 4476767 | Keyboard input coding device and musical note displaying device | — | 1984-10-16 |