Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135708 | Screw feeding/fastening unit of continuous screw fastening device | Isamu Arai | 2021-10-05 |
| 10737372 | Successive screw tightening machine and screw rope for use therewith | Tomiaki Ochiai | 2020-08-11 |
| 10569397 | Successive screw fastener | Satoshi Mishima | 2020-02-25 |
| 10364574 | Continuous screw tightening machine with washer stacking supply mechanism | Yoichi Watanabe | 2019-07-30 |
| D782257 | Peeler for fruits and vegetables | Yoichi Watanabe | 2017-03-28 |
| 7415910 | Continuous screw tightening machine | — | 2008-08-26 |
| D440137 | Screw driving attachment | Giichiro Muro, Hideki Fujita | 2001-04-10 |
| 5825048 | Semiconductor functional device and electronic circuit provided with the same | — | 1998-10-20 |
| 5770958 | Periodic waveform generating circuit | Hideaki Matsuzaki | 1998-06-23 |
| 5151757 | Heterojunction field-effect transistor | Takatomo Enoki, Naoteru SHIGEKAWA | 1992-09-29 |