Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520433 | Mechanism for adjusting baby chair height | Susumu Matsumoto | 1996-05-28 |
| D275322 | Massage treatment table | Shinroku Nakao, Takashi Chino | 1984-08-28 |
| 4458675 | Roller type finger-pressure apparatus | Shinroku Nakao, Takashi Chino, Yuzo Abe | 1984-07-10 |