Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604993 | Vibratory massage device | Yukio Yamamura, Kazuhiko Fujikawa | 1986-08-12 |
| 4422448 | Massaging apparatus | Haruo Sugai, Takafumi Hamabe, Yukio Yamamura, Shinpei Otuka | 1983-12-27 |
| 4412534 | Massaging apparatus | Takafumi Hamabe | 1983-11-01 |