AO

Akihiko Okimura

OI Oiles: 23 patents #2 of 253Top 1%
DE Denso: 1 patents #6,940 of 11,792Top 60%
SC Shiroki Kogyo Co.: 1 patents #14 of 31Top 50%
Overall (All Time): #183,333 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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