Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7279228 | Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same | Kazuo Okamura, Yoshikiyo Tanaka, Tetsuo Ohnishi | 2007-10-09 |
| 7261951 | Copper based sintered contact material and double-layered sintered contact member | Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato | 2007-08-28 |
| 7240973 | Crawler, crawler pin, crawler bush, and crawler manufacturing method | — | 2007-07-10 |
| 7094473 | Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same | Kazuo Okamura, Yoshikiyo Tanaka, Tetsuo Ohnishi | 2006-08-22 |
| 7087318 | Copper based sintered contact material and double-layered sintered contact member | Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato | 2006-08-08 |
| 7078107 | Contact material, composite sintered component and method of producing same | Yoshikiyo Tanaka, Tetsuo Onishi | 2006-07-18 |
| 7056598 | Copper based sintered contact material and double-layered sintered contact member | Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato | 2006-06-06 |
| 6962458 | Coupling device for equipment implement | Tetsuo Ohnishi | 2005-11-08 |
| 6899774 | High-toughness wear-resistant steel | Chikara Nakao | 2005-05-31 |
| 6844085 | Copper based sintered contact material and double-layered sintered contact member | Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato | 2005-01-18 |
| 6613121 | Sintered material and composite sintered contact component | Yoshikiyo Tanaka | 2003-09-02 |
| 6447619 | High surface pressure resistant steel parts and methods of producing same | Naoji Hamasaka | 2002-09-10 |
| 6428744 | Sliding contact material, sliding contact element and producing method | Yoshikiyo Tanaka | 2002-08-06 |
| 6413328 | High surface pressure resistant steel parts and methods of producing same | Naoji Hamasaka | 2002-07-02 |
| 6322902 | Sliding contact material, sliding contact element and producing method | Yoshikiyo Tanaka | 2001-11-27 |
| 6309475 | Rolling element and producing method | Chikara Nakao | 2001-10-30 |
| 6270595 | Bushing for crawler belt and method of manufacture | Chigo Okayama, Naoji Hamasaka | 2001-08-07 |
| 6258179 | Carburized parts, method for producing same and carburizing system | Naoji Hamasaka | 2001-07-10 |
| 6015775 | Self-lubricating sintered sliding material and method for manufacturing the same | Yoshikiyo Tanaka | 2000-01-18 |
| 5948549 | Sinter joining method and sintered composite member produced by same | Yuichi Hori, Hirotaka Kato | 1999-09-07 |
| 5877270 | Water solvent extraction degreasing method and molded products produced therewith | Yoshitaka Ohyama, Masato Miyake, Katsuyoshi Saito, Hiroshi Ono | 1999-03-02 |
| 5854379 | Thermal decomposition degreasing method and molded products thereof | Yoshitaka Ohyama, Kazuo Okamura, Masato Miyake, Katsuyoshi Saito, Hiroshi Ono | 1998-12-29 |
| 5627258 | Binder for use in metal powder injection molding and debinding method by the use of the same | Masato Miyake, Yoshitaka Ohyama, Katsuyoshi Saito, Hiroshi Ono | 1997-05-06 |