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 25 most recent of 67 patents

Patent #TitleCo-InventorsDate
12222562 Optical apparatus, light emitting apparatus, optical cable, and method of connecting optical apparatus Kuniyuki Ishii, Hideaki KAMISUGI, Tomomi Sano, Tetsuya Nakanishi, Hong Chuyen NGUYEN +3 more 2025-02-11
11510325 Optical transceiver Kuniyuki Ishii 2022-11-22
11194106 Optical transceiver Takashi Matsui 2021-12-07
10924187 Optical transceiver with a plurality of built-in optical subassemblies Kuniyuki Ishii 2021-02-16
10812193 Optical transceiver Takashi Matsui 2020-10-20
10613280 Optical receptacle, fiber stub, and optical module that attenuate electromagnetic waves 2020-04-07
10527805 Optical transceiver Yasutaka MIZUNO, Kazushige Oki 2020-01-07
10459171 Optical transceiver 2019-10-29
10270531 Optical transceiver and method of manufacturing the same Kuniyuki Ishii 2019-04-23
10261270 Optical transceiver 2019-04-16
9829662 Optical transceiver having pull-tab 2017-11-28
9726842 Optical source for coherent transceiver Kuniyuki Ishii, Takashi Kondo 2017-08-08
9671583 Optical transceiver having plug board independent of circuit board and a holder that holds the circuit board on a level with the plug board Takashi Matsui 2017-06-06
9645334 Optical transceiver having heat-dissipating path from assembly substrate directly to upper housing Kuniyuki Ishii 2017-05-09
9632264 Optical transceiver with plug in one of paired optical ports Hidemi Sone 2017-04-25
9541719 Pluggable optical transceiver having pull-pull-tab Kuniyuki Ishii 2017-01-10
9523828 Optical transceiver having bail working independently of linear motion of slider Kuniyuki Ishii 2016-12-20
9465178 Optical transceiver adapted to angled polish connector and a method to assemble the same 2016-10-11
9366834 Pluggable optical transceiver Kazushige Oki 2016-06-14
9363020 Optical transceiver having inner fibers for coupling optical receptacle with transmitter and receiver modules 2016-06-07
9319142 Full-duplex optical transceiver applicable to digital coherent system Takatoshi Kato, Kazuhiro Yamaji 2016-04-19
9250402 Pluggable optical transceiver having pull-pull-tab Kuniyuki Ishii 2016-02-02
9213150 Optical coupling apparatus and optical transceiver installing the same Takashi Matsui, Masahiro Shibata 2015-12-15
9172468 Optical transceiver with optical receiver electrically isolated from housing and optical transmitter with enhanced heat dissipation to housing 2015-10-27
9146365 Optical transceiver installing MT ferrule to mate with MPO connector Kazushige Oki, Takashi Matsui, Kuniyuki Ishii, Hideaki KAMISUGI, Jignesh H. Shah +1 more 2015-09-29