Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6195003 | Fire alarming system | Nobuyuki Ichikawa, Keiichi Takahashi, Kenji Takeyoshi | 2001-02-27 |
| 6091328 | Fire alarming system | Nobuyuki Ichikawa, Keiichi Takahashi, Kenji Takeyoshi | 2000-07-18 |
| 5986556 | Fire detector | Mikio Mochizuki, Makoto Yasukawa | 1999-11-16 |
| 5872517 | Fire detector | Mikio Mochizuki, Makoto Yasukawa | 1999-02-16 |
| 5670948 | Fire detector | Mikio Mochizuki, Makoto Yasukawa | 1997-09-23 |
| 5486816 | Fire detector having optic base clamping optic elements to a circuit board | Yasuo Ariga | 1996-01-23 |
| 5154074 | Roll with width adjusting function | Tetsuro HARAGUCHI, Mitsuaki Watanabe | 1992-10-13 |
| 4860416 | Variable-crown roll | Takeshi Masui, Yoshiro Matsumoto, Atsushi Tomizawa | 1989-08-29 |