Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12145116 | Liquid containing gas bubbles production apparatus | Akihisa OOTA, Eishin Noguchi | 2024-11-19 |
| 4686879 | Key touch adjuster for a keyboard musical instrument | Makoto Ito, Hiroyoshi Takahashi | 1987-08-18 |