Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9662958 | Work vehicle | Masahiko Hoshiya, Yuusuke Igarashi, Shunsuke Yoshioka | 2017-05-30 |
| 5802016 | Electronic watch | Masaru Kubota, Takashi Kawaguchi, Hidehiro Akahane, Yoshitaka Iijima, Keiichiro Oguchi +2 more | 1998-09-01 |
| 5038030 | Surface identification for back-coated magnetic recording medium | Kazuo Kubota, Masaaki Sakaguchi | 1991-08-06 |
| 4991448 | Function checking system for magnetic tape cassette | — | 1991-02-12 |
| 4979408 | Screw tightening device | — | 1990-12-25 |
| 4870291 | Splice inspection method and apparatus using light inclined at a prescribed angle | Kazuo Kubota, Masaaki Sakaguchi | 1989-09-26 |