Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D867486 | Robot toy | Shu Katayama, Mitsutoshi Tokuyama, Shigeru Kanauchi | 2019-11-19 |
| D867487 | Robot toy | Shu Katayama, Mitsutoshi Tokuyama, Shigeru Kanauchi, Masashi Katahira | 2019-11-19 |