RK

Ryoichi Kasahara

NT NTT: 40 patents #26 of 4,871Top 1%
NE Ntt Electronics: 8 patents #13 of 358Top 4%
OL Olympus: 2 patents #1,626 of 3,097Top 55%
Overall (All Time): #78,237 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
11234613 Respiration estimation method and apparatus Takayuki Ogasawara, Takurou Tajima, Kei Kuwabara, Nobuaki Matsuura 2022-02-01
11076793 Respiration estimation method and apparatus Takayuki Ogasawara, Takuro Tajima, Kei Kuwabara, Nobuaki Matsuura 2021-08-03
11002995 Phase modulator, control method for phase modulator, and fringe projector apparatus Daichi WATANABE, Satomi Katayose, Kei Watanabe, Yu Kurata 2021-05-11
10969281 Illumination apparatus Daichi WATANABE, Kei Watanabe, Yu Kurata, Satomi Katayose 2021-04-06
9560763 Package for optical module Ikuo Ogawa, Toshiki Nishizawa, Yuji Mitsuhashi 2017-01-31
9459417 Planar lightwave circuit Yusuke Nasu, Ikuo Ogawa, Kenya Suzuki, Fumihiro Ebisawa 2016-10-04
9323000 Waveguide-type polarization beam splitter Takashi Saida, Yusuke Nasu, Takayuki Mizuno 2016-04-26
9235003 Waveguide-type polarization beam splitter Takashi Saida, Yusuke Nasu, Takayuki Mizuno 2016-01-12
9182559 Light-receiving package for flat-plate mounting, and optical module Yuji Mitsuhashi, Toshiki Nishizawa, Ikuo Ogawa 2015-11-10
9116291 Integrated optical module Atsushi Aratake, Ikuo Ogawa, Yusuke Nasu, Yuichi Suzuki, Shunichi Soma 2015-08-25
9116317 Planar lightwave circuit Yusuke Nasu, Ikuo Ogawa, Kenya Suzuki, Fumihiro Ebisawa 2015-08-25
9002161 Optical module Ikuo Ogawa, Toshiki Nishizawa, Yuji Mitsuhashi 2015-04-07
8913889 Optical module Ikuo Ogawa, Toshiki Nishizawa, Yuji Mitsuhashi 2014-12-16
8569674 Multiplexed photocurrent monitoring circuit comprising current mirror circuits Ryosuke Saito, Hisanobu Tanigawa, Takashi Goh 2013-10-29
6625370 Optical waveguide and fabricating method thereof, and optical waveguide circuit Mikitaka Itoh, Takashi Saida, Yasuhiro Hida 2003-09-23