Inventor
HIGUMA KAORU
JP17 patents
⚠️ This page may combine multiple inventors who share the name “HIGUMA KAORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO OSAKA CEMENT CO LTD
10 patentsUS7239763B2Jul 3, 2007
Optical SSB modulator
SUMITOMO OSAKA CEMENT CO LTD19 citations92
US7869668B2Jan 11, 2011
Method for generating carrier residual signal and its device
SUMITOMO OSAKA CEMENT CO LTD7 citations84
US7751724B2Jul 6, 2010
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD10 citations84
US7689067B2Mar 30, 2010
Nested modulator
SUMITOMO OSAKA CEMENT CO LTD10 citations84
US7302120B2Nov 27, 2007
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD10 citations84
US7899338B2Mar 1, 2011
Method and device for controlling bias of optical modulator
SUMITOMO OSAKA CEMENT CO LTD15 citations83
US9250455B2Feb 2, 2016
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD4 citations72
US6134372AOct 17, 2000
Light intensity attenuator and attenuating method
SUMITOMO OSAKA CEMENT CO LTD15 citations72
US7768696B2Aug 3, 2010
THZ wave generator
SUMITOMO OSAKA CEMENT CO LTD5 citations63
US7773833B2Aug 10, 2010
Optical modulation device
SUMITOMO OSAKA CEMENT CO LTD4 citations62