Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524351 | Smoke detector | Hirofumi Fujii, Hayami Yuasa, Tatuo Yonezawa | 1985-06-18 |
| 4518952 | Sensor test circuit of an alarm system | Hiroshi Tanaka, Seiichi Tanaka, Takashi Suzuki | 1985-05-21 |
| 4505600 | Temperature sensor | Takashi Suzuki, Seiichi Tanaka | 1985-03-19 |
| 4445350 | Extrusion method using hot lubricant | Masao Nishihara, Tomiharu Matsushita, Masataka Noguchi, Kazuo Arimura, Akira Ohte +2 more | 1984-05-01 |