KH

Kaoru Higuma

SC Sumitomo Osaka Cement Co.: 14 patents #17 of 327Top 6%
NE Nec: 4 patents #3,388 of 14,502Top 25%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
University of California: 1 patents #8,022 of 18,278Top 45%
Overall (All Time): #276,239 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
9250455 Optical modulator Youichi Hosokawa, Tetsuya Kawanishi, Atsushi Kanno 2016-02-02
8577225 Optical receiver Masahito Mure, Norikazu Miyazaki, Toshio Kataoka 2013-11-05
8180226 Optical receiver Masahito Mure, Masahide Miyachi, Norikazu Miyazaki, Toshio Kataoka, Hiroyuki Sato +3 more 2012-05-15
7899338 Method and device for controlling bias of optical modulator Yoshihiro Hashimoto, Junichiro Ichikawa, Takahisa Fujita 2011-03-01
7869668 Method for generating carrier residual signal and its device Yoshihiro Hashimoto, Junichiro Ichikawa, Shingo Mori, Yozo Shoji, Hiroyo Ogawa 2011-01-11
7773833 Optical modulation device Toshio Sakane 2010-08-10
7768696 THZ wave generator Junichiro Ichikawa, Shingo Mori 2010-08-03
7751724 Optical modulator Yoshihiro Hashimoto, Shingo Mori, Norikazu Miyazaki, Toshio Sakane 2010-07-06
7689067 Nested modulator Junichiro Ichikawa, Futoshi Yamamoto, Satoshi Oikawa, Shingo Mori, Sunao Kurimura +4 more 2010-03-30
7657139 Y-junction reflector tunable delay or resonator waveguide devices Jianxiao Chen, Paul Kit Lai Yu, Tetsuya Kawanishi 2010-02-02
7302120 Optical modulator Toshio Sakane, Norikazu Miyazaki, Shingo Mori 2007-11-27
7239763 Optical SSB modulator Tetsuya Kawanishi, Masayuki Izutsu, Shingo Mori 2007-07-03
6788832 Optical modulator and optical signal and electric wave signal converter using same Tetsuya Kawanishi, Masayuki Izutsu, Satoshi Oikawa 2004-09-07
6539153 Light limiter Yasuhisa Taneda, Takaaki Ogata, Hirotoshi Nagata, Junichiro Ichikawa 2003-03-25
6233385 Light limiter Yasuhisa Taneda, Takaaki Ogata, Hirotoshi Nagata, Junichiro Ichikawa 2001-05-15
6218658 Optical fuse Yasuhisa Taneda, Takaaki Ogata, Hirotoshi Nagata, Junichiro Ichikawa 2001-04-17
6134372 Light intensity attenuator and attenuating method Junichiro Ichikawa, Hirotoshi Nagata, Junichiro Minowa, Takaaki Ogata, Yasuhisa Taneda 2000-10-17