MK

Masamitsu Kojima

OI Oiles: 14 patents #7 of 253Top 3%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
OC Oiles Industry Co.: 2 patents #9 of 61Top 15%
YC Yokowo Co.: 1 patents #88 of 176Top 50%
Overall (All Time): #299,009 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9163692 Rotary damper Akihiko Okimura, Yoshiteru Igarashi, Naohiro Horita 2015-10-20
8757337 Rotary damper Akihiko Okimura, Yoshiteru Igarashi, Naohiro Horita 2014-06-24
7866451 Damper and automobile seat having the damper Atsushi Arai, Takeshi Yamaguchi, Yoshihiro Harada 2011-01-11
7597389 Damper for automobile seat and automobile seat mechanism having the damper Yoshihiro Harada, Yoshiteru Igarashi 2009-10-06
7357230 Damper and automobile seat having the damper Atsushi Arai, Takeshi Yamaguchi, Yoshihiro Harada 2008-04-15
6591712 Pedal device for automobile and damper for use in the same Tadashi Goto, Yoshiteru Igarashi, Katsutoshi Kumazawa 2003-07-15
6467370 Friction damper and pedal device for vehicle having the friction damper Yoshiteru Igarashi 2002-10-22
6450062 Friction damper and pedal device for vehicle having the friction damper Yoshiteru Igarashi 2002-09-17
6240801 Friction damper and pedal device for vehicle having the friction damper Yoshiteru Igarashi 2001-06-05
5335563 Foot-operated parking brakes for cars and one-way dampers for use therein Katsuhiko Yamamoto, Kazuo Kato 1994-08-09
5201391 Driving apparatus for telescopic antenna and overload prevention clutch mechanism applicable to the same Kureo Arai, Kazuo Kato 1993-04-13
5103943 Vibration damper for power unit Takanobu Ide, Masura Iwakura, Masami Mochimaru 1992-04-14
5037058 Damper unit for automotive power unit or the like Masami Mochimaru, Ikuo Shimoda, Masaru Iwakura, Takanobu Ide 1991-08-06
4991816 Damper unit for automotive power unit or the like Takanobu Ide, Masami Mochimaru 1991-02-12
4699530 Thrust ball bearing unit Eiji Satoh, Mararu Iwakura, Hiroto Kamimura, Yasunori Nishi 1987-10-13
4547434 Heat-resistant shift member Kikuo Sumiyoshi, Eiji Sato, Masayoshi Izumi, Kingo Miyasaka 1985-10-15