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 | Tadashi Shibue, Tsutomu Kakinouchi, Fumimaru Kawabata, Osamu Tanigawa, Kiyoshi Uchida +1 more | 2003-03-25 |
| 5407907 | Method of preparing metal oxide crystal | Yasuji Yamada, Teruo Izumi, Kanshi Ohtsu, Yuichi Nakamura, Yuh Shiohara +2 more | 1995-04-18 |