Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450886 | Foot switcher, foot switch sheet and mat for use in the same | Toru Okubo, Tomoya Yamano | 2002-09-17 |
| 6383097 | Table tennis apparatus | Kojiro Minami, Akihisa Yamashita, Hideki Kotani, Hirofumi Fujimoto, Katsunori Hirasawa | 2002-05-07 |