Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761523 | Gas switch with pressure recease cover | Hiromitsu Ito, Isamu Eguchi, Bunji Hirasato, Takashi Furuhata | 1988-08-02 |
| 4723058 | Gas switch | Isamu Eguchi, Fumio Ito, Hiromitsu Ito, Masahide Takesita, Takashi Furuhata | 1988-02-02 |
| 4701583 | Gas switch | Hiromitsu Ito, Isamu Eguchi, Bunji Hirasato, Takashi Furuhata | 1987-10-20 |