Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178570 | Manufacturing method of cathode ray tube | Kozo Tomiyama, Taira Yarita, Takashi Shimokawa, Yasutoshi Katsume, Takumi Karasawa | 1993-01-12 |
| 4758819 | Keysensor | — | 1988-07-19 |
| 4723593 | Room temperature control unit responsive to occupancy | — | 1988-02-09 |
| 4716400 | Key sensing system | — | 1987-12-29 |