Koyano; Junichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koyano; Junichi.The latest application filed is for "explosion-proof portable gas detector".
- Koyano; Junichi - Tokyo JP
| Patent | Date |
|---|---|
| Explosion-proof portable gas detector Grant 7,086,283 - Koyano , et al. August 8, 2 | 2006-08-08 |
| Explosion-proof portable gas detector App 20060010974 - Koyano; Junichi ; et al. | 2006-01-19 |
| Portable gas alarm device Grant 6,744,373 - Koyano , et al. June 1, 2 | 2004-06-01 |
| Gas suction pump device, gas feed adapter and gas alarm unit Grant 6,712,586 - Koyano , et al. March 30, 2 | 2004-03-30 |
| Gas suction pump device, gas feed adapter and gas alarm unit App 20030138329 - Koyano, Junichi ; et al. | 2003-07-24 |
| Portable gas alarm device App 20030052792 - Koyano, Junichi ; et al. | 2003-03-20 |
| Wrist watch type gas measuring device Grant D403,603 - Kondo , et al. January 5, 1 | 1999-01-05 |
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