Kotani; Tamotsu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kotani; Tamotsu.The latest application filed is for "gas concentration method".
- Kotani; Tamotsu - Osaka JP
- Kotani; Tamotsu - Osaka-shi JP
- Kotani; Tamotsu - Kizugawa N/A JP
- Kotani; Tamotsu - Kizugawa-shi JP
- Kotani; Tamotsu - Akashi JP
| Patent | Date |
|---|---|
| Gas concentration method Grant 10,124,287 - Tanaka , et al. November 13, 2 | 2018-11-13 |
| Gas Concentration Method App 20170144101 - Tanaka; Hiroshi ; et al. | 2017-05-25 |
| Method of enriching combustible gas Grant 8,974,575 - Utaki , et al. March 10, 2 | 2015-03-10 |
| Combustible gas enrichment apparatus Grant 8,940,081 - Utaki , et al. January 27, 2 | 2015-01-27 |
| Combustible Gas Enrichment Apparatus App 20130136660 - Utaki; Takahisa ; et al. | 2013-05-30 |
| Method of Enriching Combustible Gas App 20130125466 - Utaki; Takahisa ; et al. | 2013-05-23 |
| Method and apparatus for welding using fillet-wire Grant 4,107,508 - Izumi , et al. August 15, 1 | 1978-08-15 |
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