Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11273986 | Conveyance device and conveyance direction changing device | Kazuo Itoh, Tatsuhiko Nakamura, Koji Ueda | 2022-03-15 |
| 10937529 | Family tree construction supporting method and family tree construction supporting device | Mitsuhiro Azuma, Michihiko Aki, Teruhiko Yoshida, Kokichi Sugano, Mineko Ushiama +1 more | 2021-03-02 |
| 10766714 | Lifting device and sporting device | Kazuo Itoh, Tatsuhiko Nakamura | 2020-09-08 |