Issued Patents All Time
Showing 101–114 of 114 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489000 | Cushion having a three-dimensional net | Yumi Ogura, Kazuyoshi Chizuka, Masaki Nishino, Seiji Kawasaki | 2002-12-03 |
| 6485103 | Structural unit having net member incorporated therein, seat and method for treating end section of net member | Toshihiko Yamada, Yumi Ogura, Kazuyoshi Chizuka, Hiroki Oshimo | 2002-11-26 |
| 6419647 | Motion sickness expression apparatus | Eiji Sugimoto, Yumi Ogura | 2002-07-16 |
| 6366190 | Magneto-spring structure | Yoshimi Enoki, Hiroshi Nakahira, Eiji Sugimoto, Shigeki Wagata, Hideyuki Yamane +2 more | 2002-04-02 |
| 6336627 | Suspension unit having a magneto-spring | Yasuhide Takata, Kazuyoshi Chizuka, Hiroki Ohshimo | 2002-01-08 |
| 6325365 | Vibration mechanism | Seiji Kawasaki, Shigeyuki Kojima | 2001-12-04 |
| 6315364 | Cushion and seat each having net-like skin | Hiroki Ohshimo, Shigeki Wagata, Masaki Nishino, Yumi Ogura, Kazuyoshi Chizuka +6 more | 2001-11-13 |
| 6302487 | Seat having a three-dimensional net | Hitoshi Fujita, Yumi Ogura, Kazuyoshi Chizuka, Masaki Nishino, Akihito Asano +1 more | 2001-10-16 |
| 6241059 | Vibration isolator having magnetic springs | Yutaka Sakamoto, Kazuyoshi Chizuka | 2001-06-05 |
| 6232689 | Energy extracting mechanism having a magnetic spring | Yoshimi Enoki, Hiroshi Nakahira, Seiji Kawasaki | 2001-05-15 |
| 6166465 | Vibration generating mechanism using repulsive forces of permanent magnets | Hiroki Honda | 2000-12-26 |
| 6084329 | Vibration mechanism having a magnetic spring | Yutaka Sakamoto, Hiroki Honda, Yasuhide Takata, Hiroki Ohshimo, Kazuyoshi Chizuka | 2000-07-04 |
| 6060804 | Vibration generating mechanism | Yutaka Sakamoto, Hitoshi Mikami, Yasuhiro Marukawa | 2000-05-09 |
| 6035980 | Magnetic spring having damping characteristics and vibration mechanism having same | Yoshimi Enoki, Hiroshi Nakahira, Seiji Kawasaki, Hiroki Honda, Yumi Ogura | 2000-03-14 |