Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427986 | Air suspension apparatus | Hiroshi Sakai, Nobuyuki Ichimaru, Takao Kohara, Satoshi Ohsawa | 2002-08-06 |
| 6321887 | Suspension control apparatus | Masaaki Uchiyama, Kenichi Nakamura | 2001-11-27 |
| 6269918 | Damping force control type hydraulic shock absorber | Takashi Nezu | 2001-08-07 |
| 6182805 | Damping force control type hydraulic shock absorber | Akira Kashiwagi, Nobuyuki Ichimaru | 2001-02-06 |