Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11096436 | Beadings | Kunio Nishiyama, Mitsuo Kobayashi, Makoto Yamazaki | 2021-08-24 |
| 9004591 | Fixture unit and cover fixing method | Ryuichi Murasaki, Yuichi Masuda | 2015-04-14 |
| 8857018 | Clip for fastening surface skin material | Ryuichi Murasaki, Tetsuya Yoshino | 2014-10-14 |
| 7325780 | Motor operated valve with reduction gear | Yusuke Arai, Tomoari Ouchi, Hitoshi Umezawa | 2008-02-05 |
| 6505647 | Four-way selector valve | Tetsuya Aoki | 2003-01-14 |
| 5682972 | Torsional vibration dampening device | — | 1997-11-04 |