Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7033138 | Ring segment of gas turbine | Yasuoki Tomita, Osamu Isumi, Shinichi Inoue, Friedrich Soechting, Vincent P. Laurello | 2006-04-25 |
| 6562766 | Metal working oil composition | Saburo Koyama, Ryouichi Okuda | 2003-05-13 |