Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851741 | Hard carbon film, manufacturing method for same, and sliding member | Yukako Fukutani, Koji Miyake | 2023-12-26 |
| 11293548 | Sliding member and coating film | Takahiro Okazaki, Yoshihiro Ito, Hiroyuki Sugiura, Shinya Kanazawa, Hideki Moriguchi +1 more | 2022-04-05 |
| 11261519 | Coating film, manufacturing method therefor, and PVD apparatus | Hideki Moriguchi, Akinori Shibata, Yoshihiro Ito, Takahiro Okazaki, Hiroyuki Sugiura | 2022-03-01 |
| 10634249 | Piston ring and engine | Koji Miyake, Masanori Tsujioka, Satoshi Yoshida | 2020-04-28 |
| 10458548 | Piston ring and method for manufacturing same | Koji Miyake, Masanori Tsujioka, Satoshi Yoshida | 2019-10-29 |
| 10077839 | Piston ring and process for producing same | Koji Miyake, Satoshi Yoshida, Eishi Fujimagari, Takeyuki Yamasaki, Hidetoshi CHIBA | 2018-09-18 |
| 4537073 | Inspection method of square billet using electronic scanning | Masayoshi Iwasaki, Kousuke Sahara, Norio Suzuki, Hitoshi Utsumi, Kazuo Miyake +1 more | 1985-08-27 |