Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357729 | Weight adjusting mechanism for a suspension seat | — | 2002-03-19 |
| 6336627 | Suspension unit having a magneto-spring | Etsunori Fujita, Kazuyoshi Chizuka, Hiroki Ohshimo | 2002-01-08 |