Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669504 | Workpiece machining method | Masakazu Kubo, Taro Nakamura | 2017-06-06 |
| 9078558 | Hole inspection method and hole inspection device | Yasutaka Ishizuka, Satoshi Oikawa, Michiaki Ohkubo | 2015-07-14 |
| RE40446 | Strength-enhancing apparatus for metal part | Satoru Ichihashi, Yutaka Ito, Shigeru Watanabe | 2008-08-05 |
| 6189355 | Strength-enhancing apparatus for metal part | Satoru Ichihashi, Yutaka Ito, Shigeru Watanabe | 2001-02-20 |