Koiwa; Yojiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koiwa; Yojiro.The latest application filed is for "cover member of internal combustion engine".
- Koiwa; Yojiro - Wako JP
- Koiwa; Yojiro - Saitama JP
- Koiwa; Yojiro - Wako-shi JP
- Koiwa; Yojiro - Saitama-ken JP
| Patent | Date |
|---|---|
| Cover member of internal combustion engine Grant 10,107,230 - Koiwa October 23, 2 | 2018-10-23 |
| Cover Member Of Internal Combustion Engine App 20170107940 - KOIWA; Yojiro | 2017-04-20 |
| Chain tensioner device Grant 8,876,641 - Koiwa , et al. November 4, 2 | 2014-11-04 |
| Chain tensioner device Grant 8,771,118 - Muguruma , et al. July 8, 2 | 2014-07-08 |
| Cover structure for internal combustion engine Grant 8,714,124 - Koiwa May 6, 2 | 2014-05-06 |
| Cover Structure For Internal Combustion Engine App 20130133611 - KOIWA; Yojiro | 2013-05-30 |
| Chain Tensioner Device App 20120135832 - MUGURUMA; Naoko ; et al. | 2012-05-31 |
| Chain tensioner device Grant 8,137,225 - Muguruma , et al. March 20, 2 | 2012-03-20 |
| Chain Tensioner Device App 20120052996 - KOIWA; Yojiro ; et al. | 2012-03-01 |
| Oil pump Grant 7,845,920 - Kondo , et al. December 7, 2 | 2010-12-07 |
| Chain Tensioner Device App 20090258737 - MUGURUMA; Naoko ; et al. | 2009-10-15 |
| Oil pump App 20070224053 - Kondo; Takashi ; et al. | 2007-09-27 |
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