Hayashi; Toshikatsu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hayashi; Toshikatsu.The latest application filed is for "piston ring".
- Hayashi; Toshikatsu - Niigata JP
- Hayashi; Toshikatsu - Kashiwazaki JP
- Hayashi; Toshikatsu - Kumagaya JP
- Hayashi; Toshikatsu - Kumagaya-shi JP
- Hayashi; Toshikatsu - Kashiwazaki-shi JP
- Hayashi; Toshikatsu - Saitama-ken JP
- Hayashi, Toshikatsu - Kanagawa JP
| Patent | Date |
|---|---|
| Piston ring Grant 9,885,417 - Sugimoto , et al. February 6, 2 | 2018-02-06 |
| Piston ring Grant 9,709,169 - Hayashi , et al. July 18, 2 | 2017-07-18 |
| Piston ring Grant 9,285,032 - Sasaki , et al. March 15, 2 | 2016-03-15 |
| Piston Ring App 20150226327 - Sasaki; Hayato ; et al. | 2015-08-13 |
| Piston Ring App 20140225329 - Hayashi; Toshikatsu ; et al. | 2014-08-14 |
| Piston Ring App 20140047974 - Sugimoto; Kouhei ; et al. | 2014-02-20 |
| Separator for fuel cell with austenitic stainless steel substrate Grant 7,759,015 - Gao , et al. July 20, 2 | 2010-07-20 |
| Piston Ring App 20100140880 - Hayashi; Toshikatsu ; et al. | 2010-06-10 |
| Separator for Fuel Cell with Austenitic Stainless Steel Substrate App 20080050635 - Gao; Yunzhi ; et al. | 2008-02-28 |
| Method and system for supplying hydrogen to fuel cell App 20050217181 - Gao, Yunzhi ; et al. | 2005-10-06 |
| Electromagnetic wave absorber Grant 6,784,419 - Hayashi , et al. August 31, 2 | 2004-08-31 |
| Radio wave absorber Grant 6,771,204 - Hayashi , et al. August 3, 2 | 2004-08-03 |
| Commodity developing method, commodity developing system, commodity development program, and record medium on which commodity development program is recorded App 20040133461 - Hayashi, Toshikatsu ; et al. | 2004-07-08 |
| Radio wave absorber App 20030146866 - Hayashi, Toshikatsu ; et al. | 2003-08-07 |
| Commodity concept developing method App 20030126009 - Hayashi, Toshikatsu ; et al. | 2003-07-03 |
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