MK

Masakazu Koizumi

FC Fuji Polymer Industries Co.: 3 patents #5 of 59Top 9%
CC Citizen Electronics Co.: 2 patents #123 of 252Top 50%
KI Kurita Water Industries: 2 patents #86 of 384Top 25%
NE Nec: 1 patents #7,889 of 14,502Top 55%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
Overall (All Time): #574,965 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9053838 Conductive rubber component and method for mounting same Toshiki Ogawa 2015-06-09
8177962 Metal corrosion inhibitor and hydrogen chloride formation inhibitor in a crude oil atmospheric distillation unit Tsuyoshi Hagiwara, Koichi Tanaka 2012-05-15
8043096 Conductive rubber component Jinya Tanaka 2011-10-25
7976927 Metal-integral conductive rubber component Jinya Tanaka 2011-07-12
7405948 Circuit board device and method of interconnecting wiring boards Junya Sato, Yoshiyuki Hashimoto 2008-07-29
7021946 Connector integrated with a LED element Shingo Mizuguchi, Tatsuji Hirano, Koichi Fukasawa, Hirohiko Ishii, Junji Miyashita 2006-04-04
6973720 Method for manufacturing a connector integrated with a LED Shingo Mizuguchi, Tatsuji Hirano, Koichi Fukasawa, Hirohiko Ishii, Junji Miyashita 2005-12-13
6540923 Oxygen scavenger Yukimasa Shimura, Shiro Taya, Takatoshi Sato 2003-04-01
4942905 Composite hose construction Eiji Takemae, Tadashi Ishibashi 1990-07-24