Tajima; Shuji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tajima; Shuji.The latest application filed is for "explosion-proof structure of power source part, explosion-proof type battery unit and explosion-proof type gas alarm".
- Tajima; Shuji - Tokyo JP
| Patent | Date |
|---|---|
| Explosion-proof Structure Of Power Source Part, Explosion-proof Type Battery Unit And Explosion-proof Type Gas Alarm App 20100297488 - Tajima; Shuji ; et al. | 2010-11-25 |
| Portable gas detector Grant 7,178,381 - Tajima , et al. February 20, 2 | 2007-02-20 |
| Portable gas detector Grant 7,089,779 - Tajima , et al. August 15, 2 | 2006-08-15 |
| 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 detector App 20050092063 - Tajima, Shuji ; et al. | 2005-05-05 |
| Portable gas detector App 20050092065 - Tajima, Shuji ; et al. | 2005-05-05 |
| Portable gas detector App 20050092064 - Tajima, Shuji ; et al. | 2005-05-05 |
| 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 |
| Portable gas detector and its cradle Grant 6,606,897 - Koyano , et al. August 19, 2 | 2003-08-19 |
| 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 |
| Portable gas detector-alarm Grant D447,974 - Koyano , et al. September 18, 2 | 2001-09-18 |
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