Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359282 | Method for manufacturing Cu—Ni—Al-based sintered alloy | — | 2025-07-15 |
| 11648611 | Sintered oil-impregnated bearing | Tsuneo Maruyama | 2023-05-16 |
| 11441608 | Sintered bearing for motor-type fuel pump and production method therefor | Tsuneo Maruyama | 2022-09-13 |
| 11353063 | Sintered bearing | Tsuneo Maruyama | 2022-06-07 |
| 11248654 | Oil impregnated sintered bearing and production method thereof | Hajime Kouno, Tsuneo Maruyama, Jyun Katou, Kenji Orito | 2022-02-15 |
| 11073178 | Oil-impregnated sintered bearing and method for manufacturing the same | Hajime Kouno, Tsuneo Maruyama, Jyun Katou, Kenji Orito | 2021-07-27 |
| 10941465 | Cu-based sintered sliding material, and production method therefor | — | 2021-03-09 |
| 10745780 | Cu-based sintered bearing and production method for Cu-based sintered bearing | Shinichi Takezoe, Tsuneo Maruyama | 2020-08-18 |
| 10697495 | Iron-copper-based oil-impregnated sintered bearing and method for manufacturing same | Yasuhiro Tsukada, Tomoe Obata | 2020-06-30 |
| 10654104 | Sintered bearing | Tsuneo Maruyama, Nobukazu Fujii, Takayuki Suenaga | 2020-05-19 |
| 10570959 | Oil-retaining sintered bearing and method of producing the same | Hajime Kouno, Jyun Katou | 2020-02-25 |
| 10532406 | Sintered sliding member having exceptional corrosion resistance, heat resistance, and wear resistance; and method for producing said member | Shinichi Takezoe | 2020-01-14 |
| 10428873 | Iron-copper-based oil-impregnated sintered bearing and method for manufacturing same | Yasuhiro Tsukada, Tomoe Obata | 2019-10-01 |
| 10041536 | Sintered bearing for motor-type fuel pump with superior corrosion resistance, wear resistance and conformability | Shinichi Takezoe | 2018-08-07 |
| 9849511 | Method of producing a Cu-based sintered sliding member | Tsuneo Maruyama, Yoshiki Tamura | 2017-12-26 |
| 9663844 | Sintered alloy superior in wear resistance | — | 2017-05-30 |
| 9476453 | Cu-based oil-impregnated sintered bearing | Yasuhiro Tsukada | 2016-10-25 |
| 8999232 | Sintered bearing for motor-powered fuel injection pumps | Tsuneo Maruyama, Yoshiki Tamura | 2015-04-07 |
| 8709124 | Sintered sliding member | Tsuneo Maruyama, Yoshiki Tamura | 2014-04-29 |
| 7578866 | Iron-based sintered alloy having excellent machinability | Kinya Kawase | 2009-08-25 |
| 5993732 | Method for manufacturing a rare earth magnetic powder having high magnetic anisotropy | Ryoji Nakayama, Norihito Fukatsu, Koichiro Morimoto | 1999-11-30 |
| 5417773 | Method for producing rare earth alloy magnet powder | Ryoji Nakayama, Takuo Takeshita, Tamotsu Ogawa | 1995-05-23 |
| 5211770 | Magnetic recording powder having a high coercive force at room temperatures and a low curie point | Ginya Ishiguro, Kouichi Ishiyama, Takuo Takeshita, Hachiro Saito, Yasuaki Yoshioka | 1993-05-18 |