KAJIWARA; Makoto
Patent Applications and Registrations
Patent applications and USPTO patent grants for KAJIWARA; Makoto.The latest application filed is for "combined oil ring".
- KAJIWARA; Makoto - Saitama-shi Saitama
- Kajiwara; Makoto - Saitama JP
- Kajiwara; Makoto - Odawara JP
| Patent | Date |
|---|---|
| Combined Oil Ring App 20220090558 - UCHIUMI; Masahiro ; et al. | 2022-03-24 |
| Piston Ring App 20220003316 - IKEYA; Kyoichi ; et al. | 2022-01-06 |
| Multi-piece oil ring Grant 10,330,198 - Chiba , et al. | 2019-06-25 |
| Multi-piece Oil Ring App 20180363778 - Chiba; Atsushi ; et al. | 2018-12-20 |
| Multi-piece oil ring Grant 10,030,772 - Chiba , et al. July 24, 2 | 2018-07-24 |
| Piston ring Grant 9,506,138 - Sugiura , et al. November 29, 2 | 2016-11-29 |
| Piston ring Grant 9,464,717 - Ito , et al. October 11, 2 | 2016-10-11 |
| Piston Ring App 20150225836 - SUGIURA; Hiroyuki ; et al. | 2015-08-13 |
| Internal combustion engine oil ring Grant 8,820,750 - Chiba , et al. September 2, 2 | 2014-09-02 |
| Piston Ring App 20130328274 - Sugiura; Hiroyuki ; et al. | 2013-12-12 |
| Internal Combustion Engine Oil Ring App 20130181410 - Chiba; Atsushi ; et al. | 2013-07-18 |
| Piston Ring App 20130043659 - Ito; Michihiro ; et al. | 2013-02-21 |
| Multi-piece Oil Ring App 20120261886 - Chiba; Atsushi ; et al. | 2012-10-18 |
| Combination of piston and piston ring Grant 7,024,982 - Aizawa , et al. April 11, 2 | 2006-04-11 |
| Combination of piston and piston ring App 20040040436 - Aizawa, Takeshi ; et al. | 2004-03-04 |
| Color photographic light-sensitive material for printing use Grant 5,342,748 - Miyoshi , et al. August 30, 1 | 1994-08-30 |
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