KK

Katsumi Kuroguchi

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
OJ Opnext Japan: 4 patents #30 of 185Top 20%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
Overall (All Time): #580,234 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8307381 Optical pickup device and optical disk drive apparatus Yoshio Oozeki, Rika Nomura, Taketoshi Moriyama, Kazumi Takahashi 2012-11-06
7215886 Optical communication module Shigenobu Maruyama, Kazumi Kawamoto, Hiroaki Furuichi, Tooru Yoshida, Isamu Yoshida +6 more 2007-05-08
6983000 Laser diode module Kimio Tatsuno, Hiroaki Furuichi, Kazumi Kawamoto 2006-01-03
6937628 Optical transmitter modules Kimio Tatsuno, Atsuhiro Yamamoto, Teruhisa Azumaguchi, Hiroaki Furuichi 2005-08-30
6912363 Optical module which permits stable laser output Hiroaki Furuichi, Kazumi Kawamoto, Atsuhiro Yamamoto, Keiichi Yamada, Tsutomu Okumura +2 more 2005-06-28
6826211 Diode laser controling module and applied equipment thereof Kimio Tatsuno, Hiroaki Furuichi, Atsuhiro Yamamoto, Norio Nakazato 2004-11-30
6805496 Optical communication module, manufacturing method thereof and wavelength selective filter Hiroaki Furuichi, Kazumi Kawamoto, Keiichi Yamada, Shintarou Sakamoto 2004-10-19
6597712 Laser diode module Kimio Tatsuno, Hiroaki Furuichi, Kazumi Kawamoto 2003-07-22
6332720 Semiconductor laser coupling device and method for assembling the same on circuit board Makoto Shimaoka, Tadaaki Ishikawa, Kazuyuki Fukuda 2001-12-25