HM

Haruhisa Maruyama

SC Sanyo Denki Co.: 23 patents #6 of 221Top 3%
Pioneer Electronic: 8 patents #194 of 1,840Top 15%
PV Pioneer Video: 8 patents #2 of 139Top 2%
Pioneer: 1 patents #1,107 of 1,730Top 65%
GE: 1 patents #19,878 of 36,430Top 55%
📍 Yamanashi, JP: #97 of 1,957 inventorsTop 5%
Overall (All Time): #107,662 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
11041498 Fan motor apparatus and protection cover of fan motor apparatus Yusuke Okuda, Yoshihisa Yamazaki 2021-06-22
9634534 Brushless motor Yoshinori Miyabara, Kei Satou, Haruka Sakai 2017-04-25
9033680 Electric fan Naruhiko Kudo, Tomoaki Ikeda 2015-05-19
8164008 Electrical apparatus Tomoaki Ikeda, Takahisa Toda 2012-04-24
D637276 Fan Yoshinori Miyabara, Kouji Ueno, Tomoaki Ikeda, Masashi Miyazawa 2011-05-03
7742302 Axial-flow fan unit and heat-emitting element cooling Michinori Watanabe, Toshiki Ogawara 2010-06-22
7411327 Heat-emitting element cooling apparatus Michinori Watanabe, Toshiki Ogawara 2008-08-12
7391691 Method for facilitating copyright protection in digital media and digital media made thereby Matthew Frank Niemeyer, David Reis 2008-06-24
D570301 Electronic component cooling apparatus Michinori Watanabe, Toshiki Ogawara 2008-06-03
D563910 Electronic component cooling apparatus Michinori Watanabe, Toshiki Ogawara 2008-03-11
7331756 Axial-flow fan unit and heat-emitting element cooling apparatus Michinori Watanabe, Toshiki Ogawara 2008-02-19
D541229 Electronic component cooling apparatus Michinori Watanabe, Toshiki Ogawara 2007-04-24
D537418 Heat sink Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima 2007-02-27
7170746 Heat-emitting element cooling apparatus Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima 2007-01-30
D516526 Electronic component cooling apparatus Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima 2006-03-07
D511326 Electronic component cooling apparatus Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima 2005-11-08
D509483 Heat sink Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima 2005-09-13
6927979 Heat-emitting element cooling apparatus Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima 2005-08-09
D501450 Electronic component cooling apparatus Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima 2005-02-01
6621699 Electronic component cooling apparatus Michinori Watanabe, Toshiki Ogawara 2003-09-16
6527904 Method of producing an optical video disc Masayuki Uno, Hirotoshi Tabuchi, Jiro Fujimori, Masaaki Motokawa 2003-03-04
6480383 Electronic component cooling apparatus Yuichi Kodaira, Naoko Ishiwatari 2002-11-12
6419007 Heat sink-equipped cooling apparatus Toshiki Ogawara, Michinori Watanabe, Noriyasu Sasa 2002-07-16
6411510 Heat sink-equipped cooling apparatus Noriyasu Sasa, Toshiki Ogawara, Michinori Watanabe 2002-06-25
6405436 Method of producing cooling fan attached type heat sink Toshiki Ogawara, Yuichi Kodaira 2002-06-18