KK

Kei Katou

SC Sumitomo Osaka Cement Co.: 23 patents #9 of 327Top 3%
KU Keio University: 3 patents #54 of 781Top 7%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
KD Kddi: 1 patents #215 of 396Top 55%
Overall (All Time): #153,663 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
11500264 Optical waveguide device with reinforcement member for optical fiber and waveguide portion Norikazu Miyazaki 2022-11-15
11204507 Positioning member having cutout portion and polarization beam combining module using positioning member Tokutaka Hara 2021-12-21
11109480 Flexible printed circuit and optical device Norikazu Miyazaki, Toshio Kataoka 2021-08-31
11022763 Optical module Tokutaka Hara 2021-06-01
10671717 Communication device, communication method and computer program Keisuke Takemori, Takamasa Isohara, Yoshiyuki Shibata, Teruaki Honma 2020-06-02
10558064 Optical communication module and optical modulator used therein Norikazu Miyazaki 2020-02-11
10527874 Optical modulator Norikazu Miyazaki 2020-01-07
10502982 Optical modulator Toshio Kataoka, Junichiro Ichikawa 2019-12-10
10365506 Optical modulator Toshio Kataoka, Junichiro Ichikawa 2019-07-30
10348007 Optical control element module Toshio Kataoka 2019-07-09
10268057 FPC-attached optical modulator and optical transmission apparatus using same Toru Sugamata 2019-04-23
10162201 Optical modulator Norikazu Miyazaki, Toshio Kataoka, Youichi Hosokawa 2018-12-25
10091881 Connection structure between optical device and circuit substrate, and optical transmission apparatus using the same Toshio Kataoka 2018-10-02
10078253 Optical modulator Youichi Hosokawa, Norikazu Miyazaki 2018-09-18
10025121 Optical waveguide element module Norikazu Miyazaki, Youichi Hosokawa 2018-07-17
9897826 Optical modulator Norikazu Miyazaki, Ryo Shimizu 2018-02-20
9897825 Optical modulator Norikazu Miyazaki, Ryo Shimizu 2018-02-20
9885889 Optical modulator Norikazu Miyazaki, Ryo Shimizu 2018-02-06
9869888 Optical modulator Norikazu Miyazaki, Ryo Shimizu 2018-01-16
9335570 Optical-waveguide-element module Norikazu Miyazaki 2016-05-10
9310543 Patterned retardation film for three-dimensional display and method for producing mold for patterned alignment film for three-dimensional display Yosuke Kosaka, Rikiya Yamashita, Mitsumasa Koiwa 2016-04-12
8923673 Optical modulator Shinsuke Kanno, Ryo Shimizu, Norikazu Miyazaki, Hideki Ichimei 2014-12-30
8909006 Optical waveguide device Norikazu Miyazaki 2014-12-09
7630537 Three-dimensional shape-measuring device Isao Sato, Hirooki Aoki, Masato Nakajima, Kazuhiro Mimura, Yasuhiro Takemura +1 more 2009-12-08
7545279 Condition-analyzing device Isao Sato, Tomofumi Nishiura, Masato Nakajima, Kazuhiro Mimura, Yasuhiro Takemura +1 more 2009-06-09