Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9402478 | Rocking chair and spring unit used therein | Masashi Hasegawa, Kohei Wada, Hiroyuki Ito, Shunsuke Kondo | 2016-08-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9402478 | Rocking chair and spring unit used therein | Masashi Hasegawa, Kohei Wada, Hiroyuki Ito, Shunsuke Kondo | 2016-08-02 |