Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6195014 | Fire detector | Kazuyoshi Sakurai | 2001-02-27 |
| D433644 | Fire detector | Kazuyoshi Sakurai, Ryuichi YAMAZAKI, Yasuhiro Sugano | 2000-11-14 |
| 4730182 | Combination heat-sensing fire detector | — | 1988-03-08 |
| 4469953 | Combination ionization and photoelectric smoke detector | Takao Fujisawa, Masayoshi Saito, Kohei Yamada | 1984-09-04 |