Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5953817 | Process for producing monolithic catalyst converter | Motoki Watanabe, Satoru Takahashi, Takayuki Furuhata, Yoshiaki Kadoma | 1999-09-21 |
| 5845526 | Method for producing pipe having polygon-shaped closed cross-section and device therefor | Yoshiaki Kadoma, Hideo Ogawa, Hiroyuki Amino, Youji Suzuki | 1998-12-08 |
| 4710608 | Fixture for welding long workpieces | Naoki Noda, Kazuhiro Sato | 1987-12-01 |
| 4471819 | Method of, and an apparatus for, making a formed wire | — | 1984-09-18 |
| 4327569 | Tube forming mill | Yoichi Hamanishi, Akiteru Honma, Seisuke Tanii | 1982-05-04 |