Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457586 | Bank-note processing device | Shigeru Yasuda, Yukio Ito, Tadashi Hatamachi, Noboru Yamagishi | 2002-10-01 |
| 4819733 | Automatic fire extinguishing equipment | Yoshio Aria, Akira Kitajima | 1989-04-11 |
| 4800285 | Flame detecting arrangement for detecting a flame through horizontal and vertical scanning of a supervisory region by using a photodetector | Akira Kitajima, Yoshio Arai | 1989-01-24 |
| 4755687 | System and method for detecting flames | Akira Kitajima, Yoshio Arai | 1988-07-05 |
| 4750142 | Flame detector | Akira Kitajima, Yoshio Arai | 1988-06-07 |
| 4706760 | Fire extinguishing condition monitoring apparatus for automatic fire extinguishing equipment | Yoshio Arai, Akira Kitajima | 1987-11-17 |