Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8441359 | Fire distinguishing device | Kumiko Ando, Atsushi Mammoto, Isao Asano, Hiroshi Nishizaki, Takashi Shimokawa | 2013-05-14 |
| 5128653 | Fire alarm system | — | 1992-07-07 |
| 5017905 | Fire alarm system | — | 1991-05-21 |
| 4930095 | Output correction system for analog sensor | Haruchika Machida, Naoya Matsuoka, Masamichi Kikuchi | 1990-05-29 |
| 4884222 | Fire alarm system | Tetsuya Nagashima, Eiji Matsushita, Akira Kitajima | 1989-11-28 |
| 4785283 | Detecting system and detector | — | 1988-11-15 |
| 4752698 | Emergency supervisory system | Akira Furuyama, Mitsuhiro Kurimoto, Yoshinori Kojima, Naoya Matsuoka, Louis Fournier +1 more | 1988-06-21 |
| 4727359 | Analog fire sensor | Masaki Maruyama | 1988-02-23 |
| 4618853 | Fire detector | — | 1986-10-21 |
| 4616138 | Analog-type fire detector | — | 1986-10-07 |
| 4555695 | Fire alarm system | Haruchika Machida | 1985-11-26 |
| 4369435 | Fire detector and fire alarm system having circuitry to detect removal of one or more detectors at a signal station | Yasaburo Adachi, Kanji Ishii, Akira Furuyama | 1983-01-18 |