TI

Tsutomu Ishikawa

SC Sanyo Electric Co.: 18 patents #200 of 6,347Top 4%
ED Eudyna Devices: 11 patents #1 of 80Top 2%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
SA Sanden: 3 patents #149 of 631Top 25%
SI Sumitomo Electric Device Innovations: 3 patents #44 of 208Top 25%
Rohm Co.: 2 patents #1,039 of 2,292Top 50%
TC Tokyo Ohka Kogyo Co.: 2 patents #345 of 684Top 55%
LU Lumileds: 1 patents #320 of 528Top 65%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
LG Lion Group: 1 patents #229 of 587Top 40%
TC Tokiwa Phytochemical Co.: 1 patents #3 of 17Top 20%
📍 Osaka, CA: #27 of 107 inventorsTop 30%
Overall (All Time): #38,853 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 1–25 of 60 patents

Patent #TitleCo-InventorsDate
12321076 Method for manufacturing optical modulator, testing method, non-transitory storage medium, and light transmission apparatus Naoya KONO 2025-06-03
11868021 Method for manufacturing optical modulator, testing method, non-transitory storage medium, and light transmission apparatus Naoya KONO 2024-01-09
11480843 Optical transmitter, method for controlling the same, and non-transitory computer-readable medium 2022-10-25
11353728 Optical modulator Hajime Tanaka, Masataka Watanabe 2022-06-07
11069836 Methods for growing light emitting devices under ultra-violet illumination Isaac Wildeson, Erik Charles Nelson, Parijat Deb 2021-07-20
11049780 Electronic module and method for manufacturing same Osamu Watanuki, Kenichi Honda, Orie Shinohara, Akira Ishikawa 2021-06-29
11048140 Optical modulator Hajime Tanaka 2021-06-29
10889557 Method of producing an alkoxyflavone derivative Jin Tatsuzaki 2021-01-12
10541352 Methods for growing light emitting devices under ultra-violet illumination Isaac Wildeson, Erik Charles Nelson, Parijat Deb 2020-01-21
9765765 Three-bore variable displacement compressor with a swash plate having an adjustable incline Anri Enomoto, Yukihiko Taguchi 2017-09-19
9595808 Method to determine operating conditions of wavelength tunable laser diode and to control optical transmitter providing wavelength tunable laser diode 2017-03-14
9184561 Method to determine operating conditions of wavelength tunable laser diode and to control optical transmitter providing wavelength tunable laser diode 2015-11-10
9099841 Semiconductor laser Tsuguki Noma, Miroru Murayama, Satoshi Uchida 2015-08-04
9025628 Semiconductor laser Toshimitsu Kaneko 2015-05-05
9011109 Variable Capacity Compressor Satoshi Terauchi 2015-04-21
8684703 Reciprocating compressor Hiroshi Ikeda 2014-04-01
8681826 Method for tuning semiconductor laser Hirokazu Tanaka, Toyotoshi Machida 2014-03-25
8563991 Optical semiconductor device, laser chip and laser module 2013-10-22
8457166 Method of controlling wavelength-tunable laser Masao Shibata, Hirokazu Tanaka 2013-06-04
8311068 Method of controlling wavelength-tunable laser Masao Shibata, Hirokazu Tanaka 2012-11-13
8194710 Semiconductor laser with heater 2012-06-05
8101957 Optical semiconductor device, laser chip and laser module 2012-01-24
7940819 Tunable laser module, tunable laser apparatus and controlling method for tunable laser Kazumasa Takabayashi, Hirokazu Tanaka 2011-05-10
7929581 Testing method of wavelength-tunable laser, controlling method of wavelength-tunable laser and laser device Toyotoshi Machida, Hirokazu Tanaka 2011-04-19
7812594 Optical device and method of controlling the same Toyotoshi Machida, Hirokazu Tanaka 2010-10-12