Umezawa; Katsushi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umezawa; Katsushi.The latest application filed is for "connecting and fixing method for metallic pipes with small diameter".
- Umezawa; Katsushi - Numazu JP
| Patent | Date |
|---|---|
| Connecting and fixing method for metallic pipes with small diameter Grant 5,749,138 - Usui , et al. May 12, 1 | 1998-05-12 |
| Connecting joint for plastic tube Grant 5,580,100 - Umezawa , et al. December 3, 1 | 1996-12-03 |
| Pipe joint Grant 5,575,512 - Umezawa November 19, 1 | 1996-11-19 |
| Connecting and fixing method for metallic pipes with small diameter Grant 5,492,376 - Usui , et al. February 20, 1 | 1996-02-20 |
| Flexible hose joint Grant 5,437,483 - Umezawa August 1, 1 | 1995-08-01 |
| Thin pipe connecting joint Grant 5,328,216 - Miyauchi , et al. July 12, 1 | 1994-07-12 |
| Connector for pipes having a small diameter Grant 5,324,081 - Umezawa June 28, 1 | 1994-06-28 |
| Thin resin tube connecting coupling with flanged insert Grant 5,314,216 - Umezawa May 24, 1 | 1994-05-24 |
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