Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537391 | Steel with improved impact penetration resistance and method for producing the same | Kengo Ishige, Tsutomu Kakinouchi, Fumimaru Kawabata, Osamu Tanigawa, Kiyoshi Uchida +1 more | 2003-03-25 |
| 5201611 | Pressure equalizer for use at deep sea | Hideaki Komaki, Shinji Taira | 1993-04-13 |