MK

Masao Kojima

Shimano: 16 patents #107 of 759Top 15%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
FR Fujikura Rubber: 4 patents #15 of 61Top 25%
SI Shimano Industrial: 3 patents #25 of 60Top 45%
Overall (All Time): #137,378 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11808284 Blower Sho Koyama 2023-11-07
9214840 Fan motor, on-vehicle air conditioner using the fan motor, and method for assembling fan motor Tomohiko Naya, Koji Kuyama, Yasushi Kamada 2015-12-15
8890382 Motor and vehicle-mounted air conditioner using same Tomohiko Naya, Koji Kuyama, Yasushi Kamada 2014-11-18
8604650 Motor and fan motor using the same motor Yuichiro Sadanaga, Yasushi Kamada, Koji Kuyama, Masahito Hidaka 2013-12-10
D663411 Impeller of an electric fan Tomohiko Naya, Yasushi Kamada 2012-07-10
7104154 Bicycle shift control device Alexander Hilsky 2006-09-12
7013751 Bicycle shift control device Alexander Hilsky 2006-03-21
6976692 Front suspension crown cover with connector and setting boss Hiroyuki Miyoshi 2005-12-20
6902426 Bicycle crown or crown cover with electrical connector support Hiroyuki Miyoshi 2005-06-07
6647826 Bicycle pedal Shinpei Okajima 2003-11-18
6634664 Multi-purpose mounting member for bicycle 2003-10-21
6609722 Bicycle crown or crown cover with electrical connector support Hiroyuki Miyoshi 2003-08-26
6584872 Bicycle handle mounting member 2003-07-01
6431020 Method of supporting gear indicators for a bicycle Yoshihide Iteya 2002-08-13
6332373 Gear indicator holder for a bicycle Yoshihide Iteya 2001-12-25
6290291 Adjustable bicycle saddle 2001-09-18
5921138 Bicycle shift device having a linearly sliding shift lever Kenji Ose 1999-07-13
D406084 Rear derailleur pulley set 1999-02-23
D396205 Rear derailleur 1998-07-21
5755139 Bicycle shift levers which surround a handlebar 1998-05-26
5732598 Shifting apparatus for a bicycle Akihiko Shoge 1998-03-31
4875500 Diaphragm type of pilot operated directional control valve Ryozo Ariizumi, Masakuni Kainuma, Shoji Suda, Toshikazu Aoki, Takashi Ejiri +1 more 1989-10-24
4823834 Diaphragm type of pilot operated directional control valve Ryozo Ariizumi, Masakuni Kainuma, Shoji Suda, Toshikazu Aoki, Takashi Ejiri +1 more 1989-04-25
4765370 Directional control valve Ryozo Ariizumi, Masakuni Kainuma, Sohji Suda, Toshikazu Aoki, Takashi Ejiri 1988-08-23
4744388 Diaphragm type of pilot operated directional control valve Ryozo Ariizumi, Masakuni Kainuma, Shoji Suda, Toshikazu Aoki, Takashi Ejiri +1 more 1988-05-17