KI

Koji Ishida

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
HC Hitachi Device Engineering Co.: 1 patents #292 of 514Top 60%
IC Ibiden Co.: 1 patents #451 of 730Top 65%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
OT On Semiconductoc Trading: 1 patents #23 of 91Top 30%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
Overall (All Time): #194,486 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10921609 Transmissive diffuser plate having a microlens angle modulation distribution group Atsushi Uchida, Masaru Karai 2021-02-16
9156743 Carbon component and method for manufacturing the same Seiji MINOURA, Jun Ohashi, Toshiki Ito, Fumihito Ogawa 2015-10-13
8436352 Semiconductor integrated circuit Yoshinobu Kaneda 2013-05-07
5543629 Superlattice avalanche photodiode (APD) Hitoshi Nakamura, Shoichi Hanatani, Shigehisa Tanaka, Tsukuru Ohtoshi, Yausunobu Matsuoka 1996-08-06
5422967 Self-routing optical switch and optical switch array Hiroaki Inoue, Hirohisa Sano, Toshio Kirihara, Shinji Nishimura, Mari Ogawa 1995-06-06
5394491 Semiconductor optical switch and array of the same Hiroaki Inoue, Kazuhisa Uomi 1995-02-28
5324959 Semiconductor optical device having a heterointerface therein Hitoshi Nakamura, Shoichi Hanatani, Chiaki Notsu, Tsukuru Ohtoshi 1994-06-28
5247592 Semiconductor optical device and array of the same Hiroaki Inoue, Kazuhisa Uomi 1993-09-21
5146513 Semiconductor optical device and array of the same Hiroaki Inoue, Kazuhisa Uomi 1992-09-08
5113072 Device having superlattice structure, and method of and apparatus for manufacturing the same Hiroshi Yamaguchi, Keiya Saito, Fumikazu Itoh, Shinji Sakano, Masao Tamura +3 more 1992-05-12
5044745 Semiconductor optical switch and array of the same Hiroaki Inoue, Kazuhisa Uomi 1991-09-03
5033810 Optical device Hiroaki Inoue, Kensuke Ogawa 1991-07-23
4983540 Method of manufacturing devices having superlattice structures Hiroshi Yamaguchi, Keiya Saito, Fumikazu Itoh, Shinji Sakano, Masao Tamura +3 more 1991-01-08
4784451 Waveguide optical switches Hitoshi Nakamura, Tadashi Fukuzawa, Hiroyoshi Matumura, Kenji Hiruma, Hiroaki Inoue 1988-11-15
4737003 Optical switching device utilizing multiple quantum well structures between intersecting waveguides Hiroyoshi Matsumura, Naoki Chinone 1988-04-12
4737015 Optical waveguide having a silicon oxi-nitride layer Hiroyoshi Matsumura, Kenji Hiruma, Kazuyuki Nagatsuma, Akihito Hongo 1988-04-12
4695122 Optical thin film waveguide Hiroyoshi Matumura 1987-09-22
4693543 Optical integrated circuit Hiroyoshi Matsumura 1987-09-15
4476586 IF Signal processing circuit in a receiver 1984-10-09
4206968 Optical fiber and method for producing the same Tsuneo Suganuma, Gyozo Toda, Shin Satoh, Toshio Katsuyama, Mamoru Sugie 1980-06-10
4203743 Method of producing optical fiber Tsuneo Suganuma, Shin Satoh, Mamoru Sugie, Toshio Katsuyama, Gyozo Toda 1980-05-20
4185890 Optical transmission line Seiichi Onoda, Toshiki Tanaka, Tsuneo Suganuma, Masao Sumi 1980-01-29