Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10103610 | Manufacturing method of core for rotary electric machine | — | 2018-10-16 |
| 5810948 | Nitriding steel excellent in formability and susceptibility to nitriding and press formed article thereof | Takeshi Nishiwaki, Kazumasa Yamazaki, Akio Hotta, Kenji Shimoda | 1998-09-22 |
| 5722282 | Method of manufacturing a cup-shaped article | Akio Hotta | 1998-03-03 |