Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5730892 | Recycled slide gate plate | Shigeki Niwa, Etsuhiro Hasebe, Kazuo Itoh, Toshihiro Indoh, Kohji Saitoh +2 more | 1998-03-24 |
| 5529227 | Sliding gate plate | Toshiyuki Yoshikawa, Etsuhiro Hasebe, Kenichi Mukoyama, Keizo Hoshi, Shouji Ando +2 more | 1996-06-25 |