HK

Hiromi Kurashima

Sumitomo Electric Industries: 67 patents #86 of 21,551Top 1%
SI Sumitomo Electric Device Innovations: 4 patents #33 of 208Top 20%
NT NTT: 1 patents #2,911 of 4,871Top 60%
SC Sei Optifrontier Co.: 1 patents #45 of 82Top 55%
Overall (All Time): #31,479 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 51–67 of 67 patents

Patent #TitleCo-InventorsDate
7195403 Pluggable optical transceiver with highly shielded structure Kazushige Oki, Tomoyuki Funada, Shojiro Kiyotake, Kou Nito, Hiroshi Murata 2007-03-27
7125261 Optical transceiver with a pluggable function Satoshi Yoshikawa, Hidemi Sone 2006-10-24
7108429 Releasing mechanism of an optical module from a host board 2006-09-19
6994480 Optical link module Takayoshi Inujima, Kazushige Oki, Eiji Tsumura 2006-02-07
6922516 Releasing mechanism of an optical module from a host board Toshio Mizue, Kazushige Oki, Toshiyuki Ogushi 2005-07-26
6863451 Optical module Kazushige Oki 2005-03-08
6808321 Optical communication module Satoshi Yoshikawa, Yasushi Fujimura 2004-10-26
6805495 Optical communication module Satoshi Yoshikawa, Yasushi Fujimura 2004-10-19
6807021 Optical module 2004-10-19
6755577 Optical module Takayoshi Inujima, Kazushige Oki, Eiji Tsumura 2004-06-29
6600611 Optical module Takayoshi Inujima, Eiji Tsumura, Kazushige Oki 2003-07-29
6599032 Transmitter/receiver for optical parallel transmission and board for optical module Yasuki Mikamura, Nobuyuki Tanaka, Takashi Sakamoto 2003-07-29
5742480 Optical module circuit board having flexible structure Sosaku Sawada, Ryoji Sakamoto, Daisuke Takagi, Satoshi Ohe, Takeshi Sekiguchi +1 more 1998-04-21
5633971 Sleeve for receiving and holding a ferrule 1997-05-27
5596665 Optical module having structure for defining fixing position of sleeve Hisato Takahashi, Ken-ichi Kitayama, Ryoji Sakamoto, Sosaku Sawada, Takeshi Sekiguchi +2 more 1997-01-21
5475783 Optical module, method of manufacturing the same, and sleeve 1995-12-12
5353364 Optical module with improved grounding of an optical element 1994-10-04