Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131343 | Bush | Takashi Kobayashi, Tetsuya Katamine | 2021-09-28 |
| 9494207 | Friction damper | Kazuhiro Nagashima, Go Tanaka, Yoshikazu Arai | 2016-11-15 |
| 9488240 | Friction damper | Kazuhiro Nagashima, Go Tanaka, Yoshikazu Arai | 2016-11-08 |
| 9315127 | Damper and vehicle seat equipped with the damper | Yoshiteru Igarashi, Naohiro Horita | 2016-04-19 |
| 9194454 | Rotational damper and vehicle seat with rotational damper | Naohiro Horita | 2015-11-24 |
| 9163692 | Rotary damper | Masamitsu Kojima, Yoshiteru Igarashi, Naohiro Horita | 2015-10-20 |
| 9121468 | Rotary damper | Naohiro Horita | 2015-09-01 |
| 8869957 | Damper and vehicle seat equipped with the damper | Yoshiteru Igarashi, Naohiro Horita | 2014-10-28 |
| 8813899 | Damper and vehicle seat | Yoshiteru Igarashi | 2014-08-26 |
| 8757337 | Rotary damper | Masamitsu Kojima, Yoshiteru Igarashi, Naohiro Horita | 2014-06-24 |
| 8584821 | Friction damper | Kazuhiro Nagashima, Go Tanaka, Yoshikazu Arai | 2013-11-19 |
| 8418998 | Damper and vehicle seat having the damper | Naohiro Horita, Yoshiteru Igarashi | 2013-04-16 |
| 8366190 | Damper and vehicle seat equipped with the damper | Yoshiteru Igarashi, Naohiro Horita | 2013-02-05 |
| 8210608 | Damper and vehicle seat | Yoshiteru Igarashi | 2012-07-03 |
| 8210609 | Damper and vehicle seat having the damper | Naohiro Horita, Yoshiteru Igarashi | 2012-07-03 |
| 8191965 | Damper and vehicle seat equipped with the damper | Yoshiteru Igarashi, Naohiro Horita | 2012-06-05 |
| 8117716 | One-way valve and door check apparatus | Kenji Yamamoto, Yoshiteru Igarashi | 2012-02-21 |
| 7322451 | Friction damper | Kazuhiro Nagashima, Go Tanaka, Yoshikazu Arai | 2008-01-29 |
| 5732322 | Resin composition for sliding member and sliding member | Takashi Nakamaru, Sumihide Yanase | 1998-03-24 |
| 5624887 | Multilayered sliding member | Takashi Nakamaru, Tadashi Watai, Sumihide Yanase | 1997-04-29 |
| 5616406 | Sliding member | Takashi Nakamaru, Sumihide Yanase | 1997-04-01 |
| 5433870 | Multilayered sliding member | Takashi Nakamaru, Tadashi Watai, Sumihide Yanase | 1995-07-18 |
| 5354622 | Multilayered sliding member | Takashi Nakamaru, Tadashi Watai, Sumihide Yanase | 1994-10-11 |