Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985397 | Method of treating hydrogen sulfide, method of producing hydrogen, and photocatalytic-reaction apparatus | Akira Kishimoto, Kazuyuki Tohji | 2011-07-26 |
| 4683372 | IC card system | — | 1987-07-28 |
| 4639889 | System for controlling communication between a main control assembly and programmable terminal units | Ritsuo Hashimoto | 1987-01-27 |