Chikahata; Katsunao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chikahata; Katsunao.The latest application filed is for "production method for sintered valve guide".
- Chikahata; Katsunao - Matsudo-shi JP
- Chikahata; Katsunao - Nagareyama JP
- Chikahata; Katsunao - Chiba JP
- Chikahata, Katsunao - Nagareyama-shi JP
| Patent | Date |
|---|---|
| Production method for sintered valve guide App 20100080725 - Fujitsuka; Hiroki ; et al. | 2010-04-01 |
| Valve guide for internal combustion engine made from iron base sintered alloy Grant 7,040,601 - Chikahata , et al. May 9, 2 | 2006-05-09 |
| Sintered valve guide and manufacturing method thereof App 20060032328 - Chikahata; Katsunao ; et al. | 2006-02-16 |
| Production method for sintered component made of stainless steel with high corrosion resistance App 20050095163 - Yoshihiro, Tatsuaki ; et al. | 2005-05-05 |
| Valve guide for internal combustion engine made from iron base sintered alloy App 20050040358 - Chikahata, Katsunao ; et al. | 2005-02-24 |
| Material for valve guides Grant 6,616,726 - Chikahata , et al. September 9, 2 | 2003-09-09 |
| Material for valve guides App 20020023518 - Chikahata, Katsunao ; et al. | 2002-02-28 |
| Sintered metal parts and their production method Grant 5,259,860 - Ikenoue , et al. November 9, 1 | 1993-11-09 |
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