Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816076 | Plastic helical gear | — | 2020-10-27 |
| 10584784 | Resin helical gear | — | 2020-03-10 |
| 10012303 | Fiber-reinforced resin gear | Toru Murakami, Masaya Tsukamoto | 2018-07-03 |
| 9550243 | Gear and manufacturing method for the same | — | 2017-01-24 |
| 8201471 | Gears and gearing apparatus | Yasutaka Kawakami | 2012-06-19 |