Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852220 | Gear mechanism, speed reducer and drive device using speed reducer | Koji Nakamura, Yuta Nagaya, Mitsuru Shimamoto | 2023-12-26 |
| 11378162 | Speed reducer | Koji Nakamura | 2022-07-05 |
| 11141825 | Work positioner | Mitsuru Shimamoto, Koji Nakamura, Takahiro Maekawa | 2021-10-12 |
| D833495 | Reduction gear | Koji Nakamura | 2018-11-13 |
| 9719578 | Gear device | Takashi Naruse | 2017-08-01 |
| 9593743 | Gear device | Takashi Naruse | 2017-03-14 |
| D753743 | Reduction gear | Masahiro Takahashi | 2016-04-12 |
| D753744 | Reduction gear | Masahiro Takahashi | 2016-04-12 |
| 5626411 | Light ray shift devices and projection display apparatus using the same | Yukio Takahashi, Tomoyoshi Nomura | 1997-05-06 |
| 5583694 | Optical element and optical axis displacement device using the same | Yukio Takahashi, Tomoyoshi Nomura | 1996-12-10 |