Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549408 | Iron-based sintered alloy valve seat for internal combustion engine | Ayato OIKAWA, Kiyoshi Suwa, Hiroshi Oshige, Kenichi Sato | 2023-01-10 |
| 10457885 | Coating film, manufacturing method for same, and PVD device | Hideki Moriguchi, Tadashi Saito, Yoshikazu Tanaka, Akinori Shibata, Tetsumi Arahi +3 more | 2019-10-29 |
| 10451184 | Sliding member and method for producing same | Tsuyoshi Higuchi, Yutaka Mabuchi, Hideaki Kamiyama | 2019-10-22 |
| 10428416 | Coating film, manufacturing method for same, and PVD device | Hideki Moriguchi, Tadashi Saito, Yoshikazu Tanaka, Tetsumi Arahi, Takahiro Okazaki +2 more | 2019-10-01 |
| 9759323 | Sliding member and method for producing same | Tsuyoshi Higuchi, Yutaka Mabuchi, Hideaki Kamiyama | 2017-09-12 |
| 9506138 | Piston ring | Hiroyuki Sugiura, Atsushi Chiba, Makoto Kajiwara, Kazuhiro Fujimura, Kazuhiro Sameshima | 2016-11-29 |
| 8592050 | Piston ring | Junpei Ogawa, Takaaki Kondou, Tomonori Miyazawa, Toyoki Iguchi, Takuma Suzuki +2 more | 2013-11-26 |
| 7493882 | Combination of a cylinder liner and a piston ring | Iwao Hiraishi, Hiromi Ishikawa, Tsugane Hirase, Kazuhiro Sameshima | 2009-02-24 |
| 6698763 | Piston ring | Minako Chinou | 2004-03-02 |
| 6631907 | Nitride-plated piston ring for internal combustion engines | Motonobu Onoda, Kazuo Shimizu | 2003-10-14 |
| 6494461 | Sliding member | Keiichi Kanemitsu | 2002-12-17 |
| 6315840 | Sliding member | Motonobu Onoda, Keiichi Kanemitsu | 2001-11-13 |
| 6296951 | Laminated chromium plating layers having superior wear resistance and fatigue strength | Yukio Tateishi, Motonobu Onoda, Kazuo Shimizu | 2001-10-02 |
| 6235415 | Sliding member | Keiichi Kanemitsu | 2001-05-22 |
| 6232003 | Sliding member | Keiichi Kanemitsu | 2001-05-15 |
| 6139984 | Sliding member | Motonobu Onoda, Keiichi Kanemitsu | 2000-10-31 |
| 5531195 | Piston ring | Motonobu Onoda, Takeshi Tsuchiya, Etsuo Tamegai, Makoto Murata | 1996-07-02 |
| 5124007 | Composite plating bath | Takeji Tsuchiya, Motonobu Onoda | 1992-06-23 |