Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6037575 | Method and apparatus for removing a defect in joined metal blocks | Shigeru Isoyama, Hideyuki Nikaido, Hirosuke Yamada, Toshiaki Amagasa, Toshisada Takechi +3 more | 2000-03-14 |
| 5951903 | Method and apparatus for joining metal pieces | Shigeru Isoyama, Hideyuki Nikaido, Toshiaki Amagasa, Nozomu Tamura, Takahiro Yamasaki +18 more | 1999-09-14 |
| 5753894 | Hot rolling method for continuously joining metal blocks and an apparatus for the same | Shigeru Isoyama, Hideyuki Nikaido, Hirosuke Yamada, Nozomu Tamura, Toshiaki Amagasa +6 more | 1998-05-19 |