Yan; Yongtie
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yan; Yongtie.The latest application filed is for "piston ring for internal combustion engine".
- Yan; Yongtie - Kumagaya JP
- YAN; Yongtie - Kumagaya-shi Saitama
- YAN; Yongtie - Saitama JP
- Yan; Yongtie - Saitama-ken JP
| Patent | Date |
|---|---|
| Piston ring for internal combustion engine Grant 9,920,836 - Sasaki , et al. March 20, 2 | 2018-03-20 |
| Piston Ring For Internal Combustion Engine App 20170138476 - SASAKI; Hayato ; et al. | 2017-05-18 |
| Piston Ring For Internal Combustion Engine App 20160265660 - SASAKI; Hayato ; et al. | 2016-09-15 |
| Fuel Cell App 20130323622 - OKAMOTO; Takashi ; et al. | 2013-12-05 |
| Gas-detecting element and gas-detecting device comprising same Grant 6,787,014 - Hasei , et al. September 7, 2 | 2004-09-07 |
| Gas sensing and oxygen pumping device, and apparatus using the same Grant 6,673,223 - Kunimoto , et al. January 6, 2 | 2004-01-06 |
| Gas-detecting element and gas-detecting device comprising same App 20030205078 - Hasei, Masaharu ; et al. | 2003-11-06 |
| Measuring NOx concentration Grant 6,551,497 - Gao , et al. April 22, 2 | 2003-04-22 |
| Gas sensing and oxygen pumping device, and apparatus using the same App 20020108856 - Kunimoto, Akira ; et al. | 2002-08-15 |
| Nitrogen oxide sensor Grant 6,319,377 - Hasei , et al. November 20, 2 | 2001-11-20 |
| Nitrogen oxide gas sensor App 20010025786 - Hasei, Masaharu ; et al. | 2001-10-04 |
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