KK

Katsuo Koizumi

TC Taiyo Yuden Co.: 4 patents #318 of 959Top 35%
SC Soshin Electric Co.: 2 patents #14 of 36Top 40%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
MK Mitsubishi Kasei: 1 patents #404 of 911Top 45%
📍 Hitachinaka, JP: #539 of 2,447 inventorsTop 25%
Overall (All Time): #561,964 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10541086 Laminated ceramic electronic component Yoshiaki Iijima, Sou Satou, Yasutomo Suga 2020-01-21
8139341 Film capacitor Yoshikuni Kato, Kanji Machida 2012-03-20
7929271 Film capacitor Yoshikuni Kato, Kanji Machida 2011-04-19
7169526 Toner for the development of electrostatic image and the production process thereof Tomoko Ishikawa, Yuqing Xu, Noriaki Takahashi, Osamu Ando 2007-01-30
6727792 Method of manufacturing wire wound electronic component Yoshihiro Amada, Hideo Aoba, Kazuhiko Otsuka, Nobuhiro Umeyama, Nobuo Mamada +3 more 2004-04-27
6449830 Method of manufacturing wire wound electronic component Yoshihiro Amada, Hideo Aoba, Kazuhiko Otsuka, Nobuhiro Umeyama, Nobuo Mamada +3 more 2002-09-17
6144280 Wire wound electronic component and method of manufacturing the same Yoshihiro Amada, Hideo Aoba, Kazuhiko Otsuka, Nobuhiro Umeyama, Nobuo Mamada +3 more 2000-11-07
5360691 Carrier for developing electrostatic latent images, developer, and electrophotographic developing process Shigenori Otsuka, Syuuichi Maeda, Hiromi Horiuchi, Hirofumi Oda, Toshiyuki Sueyoshi 1994-11-01
4442878 Hand-held power tool with a mechanism Seki Moriguchi, Sueji Nagayama 1984-04-17