Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151791 | Method for measuring roll profile | Youichirou Tsumura, Kanji Hayashi, Koichi Takeno | 2000-11-28 |
| 4916824 | Method for measuring roll profile and apparatus therefor | Teruyuki Matsumoto, Osamu Miyamoto, Kanji Hayashi | 1990-04-17 |
| 4671017 | Method and apparatus for grinding a rotary body | Kazuo Ideue, Masashi Oya, Kanji Hayashi, Tsuneo Egawa, Junichi Ibushi +3 more | 1987-06-09 |