Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850533 | Telescopic drinking straw | Yukihiro Nomura, Ryosuke Kamei, Hiroshi Shibano, Takeshi Banba | 1989-07-25 |
| 4657182 | Two-stage type of freely elongatable sucking pipe | — | 1987-04-14 |
| 4630348 | Double-pipe combining device | — | 1986-12-23 |