Umezawa; Shigeki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umezawa; Shigeki.The latest application filed is for "lock-up clutch device".
- Umezawa; Shigeki - Fukuroi JP
- Umezawa; Shigeki - Shizuoka JP
- Umezawa; Shigeki - Fukuroi-shi JP
- Umezawa; Shigeki - Kakegawa-shi JP
- Umezawa; Shigeki - Kakegawa JP
- Umezawa; Shigeki - Shizuoka-ken JP
- Umezawa; Shigeki - Sakura JP
| Patent | Date |
|---|---|
| Friction plate for wet-type multiplate clutch Grant 7,392,891 - Kinoshita , et al. July 1, 2 | 2008-07-01 |
| Lockup clutch assembly Grant 7,322,453 - Kinoshita , et al. January 29, 2 | 2008-01-29 |
| Lock-up clutch device App 20060151274 - Kinoshita; Yoshio ; et al. | 2006-07-13 |
| Wet type friction plate App 20060131125 - Kinoshita; Yoshio ; et al. | 2006-06-22 |
| Lockup clutch assembly App 20060124419 - Kinoshita; Yoshio ; et al. | 2006-06-15 |
| Friction plate for wet-type multiplate clutch App 20060102443 - Kinoshita; Yoshio ; et al. | 2006-05-18 |
| Wet type friction plate and method of producing the wet type friction plate App 20060090980 - Kinoshita; Yoshio ; et al. | 2006-05-04 |
| Wet friction material and manufacturing method therefor Grant 6,780,283 - Umezawa , et al. August 24, 2 | 2004-08-24 |
| Band braking device, and method of manufacturing annular brake band Grant 6,758,311 - Fujita , et al. July 6, 2 | 2004-07-06 |
| Band braking device, and method of manufacturing annular brake band App 20030188934 - Fujita, Kazuyuki ; et al. | 2003-10-09 |
| Wet friction material and manufacturing method therefor App 20030118830 - Umezawa, Shigeki ; et al. | 2003-06-26 |
| Wet Friction Material And Manufacturing Method Therefor App 20020045393 - UMEZAWA, SHIGEKI ; et al. | 2002-04-18 |
| Wet friction material and process for producing the same Grant 6,331,358 - Kitahara , et al. December 18, 2 | 2001-12-18 |
| Band braking device, and method of manufacturing annular brake band App 20010008196 - Fujita, Kazuyuki ; et al. | 2001-07-19 |
| Friction plate Grant 6,062,367 - Hirayanagi , et al. May 16, 2 | 2000-05-16 |
| Method of producing wet friction material and wet frictional material Grant 6,060,536 - Matsumoto , et al. May 9, 2 | 2000-05-09 |
| Method of producing wet frictional plate Grant 5,730,259 - Umezawa March 24, 1 | 1998-03-24 |
| Wet multidisk friction clutch and fabrication process thereof Grant 5,647,466 - Umezawa July 15, 1 | 1997-07-15 |
| Method and apparatus for automatically giving and receiving orders and for making calculation thereof in restaurants and shops Grant 4,582,172 - Takeuchi , et al. April 15, 1 | 1986-04-15 |
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