Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9862295 | Seat suspension | Etsunori Fujita | 2018-01-09 |
| 9682642 | Seat suspension | Etsunori Fujita | 2017-06-20 |
| 9345630 | Upper frame position holding structure and ambulance vibration-proof rack having upper frame position holding structure | — | 2016-05-24 |
| 8567770 | Seat suspension | Etsunori Fujita, Yutaka Sakamoto | 2013-10-29 |
| 8540313 | Seat structure | Etsunori Fujita, Seiji Kawasaki, Shigeyuki Kojima | 2013-09-24 |
| 8104832 | Seat including a torsion bar | Etsunori Fujita | 2012-01-31 |
| 7000910 | Suspension unit | — | 2006-02-21 |
| 6848256 | Booster | — | 2005-02-01 |
| 6652783 | Magnet unit and method of production thereof | Etsunori Fujita, Yoshimi Enoki | 2003-11-25 |
| 6588554 | Vibration damping apparatus using magnetic circuit | Etsunori Fujita, Yoshimi Enoki | 2003-07-08 |
| 6505718 | Vibration damping apparatus using magnetic circuit | Etsunori Fujita, Hiroki Honda | 2003-01-14 |
| 6485103 | Structural unit having net member incorporated therein, seat and method for treating end section of net member | Toshihiko Yamada, Etsunori Fujita, Yumi Ogura, Kazuyoshi Chizuka | 2002-11-26 |