HK

Hiroyuki Koshi

FC Furukawa Electric Co.: 9 patents #198 of 2,370Top 9%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
Overall (All Time): #287,138 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12424848 Power system Taiichi Otsuji, Katsumi Iwatsuki, Hirohito Yamada, Masafumi YASHIMA, Masakazu Matsui 2025-09-23
10456767 Cytometric mechanism, cell culture device comprising same, and cytometric method Masako Kawarai, Toshinari Sakurai, Akihiro Shimase 2019-10-29
8743920 Wavelength variable light source system Koji Horikawa 2014-06-03
6804430 Optical multiplexer/demultiplexer Isao Ooyama, Takuya Komatsu, Kazuhisa Kashihara 2004-10-12
6728447 Optical multiplexer/demultiplexer Kazuhisa Kashihara 2004-04-27
6618521 Wavelength multiplexing module with polarization maintaining fibers as depolarizers 2003-09-09
6539158 Optical waveguide circuit Kazuhisa Kashihara, Kazutaka Nara, Takeshi Nakajima 2003-03-25
6480642 Hybrid optical waveguide circuit chip, and method for predicting the characteristics thereof Hiroshi Kawashima, Isao Ohyama, Shiro Nakamura 2002-11-12
6415072 Optical wavelength multiplexing and dividing device Naoki Hashizume, Takeshi Nakajima, Kanji Tanaka 2002-07-02
6195481 Array waveguide diffraction grating optical multiplexer/demultiplexer Takeshi Nakajima, Naoki Hashizume 2001-02-27
5112646 Apparatus for bioluminescence measurement Minoru Owada 1992-05-12
4957366 Fluorescence spectrophotometer and wavelength setting method therefor Minoru Owada, Hisako Minegishi, Takayuki Ono 1990-09-18
4798463 Spectrofluorophotometer 1989-01-17
4779982 Spectrofluorophotometer with monitor detector for light source Shunichi Matuura, Minoru Owada, Hiroshi Hirose, Tadao Ishii 1988-10-25
4699512 Device for measuring fluorescence polarization 1987-10-13
4647202 Spectrophosphorimetry Mitsuyoshi Kimura, Taro Nogami, Minoru Owada 1987-03-03