Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693529 | Fire alarm system | Takashi Suzuki, Yuki Yoshikawa, Kenth Sandell | 2004-02-17 |
| 6577233 | Fire alarm system and terminal equipment in the same | Takashi Suzuki, Yuki Yoshikawa, Kenth Sandell | 2003-06-10 |
| 5096626 | Process of molding a coated plastic lens | Morio Takamizawa, Singo Shiotani, Koji Futaki | 1992-03-17 |
| 4544921 | Fire alarm system | — | 1985-10-01 |
| 4469953 | Combination ionization and photoelectric smoke detector | Masayoshi Saito, Kohei Yamada, Seiji Tsubouchi | 1984-09-04 |