Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5496422 | Corrosion resistant stainless steel | Norio Morishige, Kenji Hirano, Kiyofumi Ishikawa | 1996-03-05 |
| 5426278 | Laser irradiating torch | Kenji Hirano, Norio Morishige, Kiyofumi Ishikawa | 1995-06-20 |
| 5387292 | Corrosion resistant stainless steel | Norio Morishige, Kenji Hirano, Kiyofumi Ishikawa | 1995-02-07 |
| 5196272 | Corrosion resistant stainless steel | Norio Morishige, Kenji Hirano, Kiyofumi Ishikawa | 1993-03-23 |
| 4796653 | Method of enhancing residual compressive stress in double metallic tubes | Masahiro Kobayashi, Akitake Matsushita, Hitoshi Nakamura, Shinji Tanaka | 1989-01-10 |