Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638443 | Gas detecting apparatus | Masayoshi Kaneyasu, Hideo Arima, Shoichi Iwanaga, Nobuo Sato, Takanobu Noro +2 more | 1987-01-20 |
| 4586143 | Gas detecting apparatus | Masayoshi Kaneyasu, Takanobu Noro, Hideo Arima, Shoichi Iwanaga, Nobuo Sato +2 more | 1986-04-29 |
| 4481499 | Gas detector | Hideo Arima, Masayoshi Kaneyasu | 1984-11-06 |