KK

Kazumi Kawamoto

OJ Opnext Japan: 4 patents #1 of 61Top 2%
HI Hitachi: 1 patents #1,056 of 3,189Top 35%
Overall (2005): #6,898 of 245,428Top 3%
5
Patents 2005

Issued Patents 2005

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6937406 Optical module and method for manufacturing optical module Naoki Matsushima, Hideo Sotokawa, Hideyuki Kuwano, Yoshiaki Niwa, Keiichi Yamada +3 more 2005-08-30
6937799 Optical transmission module and optical communication system using the same Naoki Matsushima 2005-08-30
6912363 Optical module which permits stable laser output Hiroaki Furuichi, Katsumi Kuroguchi, Atsuhiro Yamamoto, Keiichi Yamada, Tsutomu Okumura +2 more 2005-06-28
6864511 Optical transmission module and the production method of the same Yoshio Oozeki, Seiichi Tsuchida 2005-03-08
6856442 Transmission line, optical module using the same and manufacturing method of optical module Naoki Matsushima, Hideyuki Kuwano, Yoshiaki Niwa 2005-02-15