Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927787 | Piston for internal combustion engine | — | 2021-02-23 |
| 10890135 | Piston for internal combustion engine | — | 2021-01-12 |
| 9828938 | Piston for internal combustion engines | Kunio Hayakawa | 2017-11-28 |
| 8815062 | Plating pretreatment apparatus and method for multi-cylinder block | Tomohiro Asou, Seiya Kunioka, Hitoshi Muramatsu, Nobuyuki Suzuki, Akira Ishibashi +3 more | 2014-08-26 |
| 8585876 | Cylinder block plate processing apparatus and sealing mechanism of the same | Hitoshi Muramatsu, Seiya Kunioka, Akira Ishibashi, Tomohiro Asou, Manabu Suzuki +2 more | 2013-11-19 |
| 8449753 | Plating pretreatment apparatus and method for cylinder block | Hitoshi Muramatsu, Seiya Kunioka, Nobuyuki Suzuki, Akira Ishibashi, Tomohiro Asou +3 more | 2013-05-28 |