KK

Koji Kitahara

SE Seiko Epson: 17 patents #1,091 of 7,774Top 15%
NT NTT: 4 patents #1,310 of 4,871Top 30%
NE Ntt Electronics: 4 patents #39 of 358Top 15%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
📍 Ina, JP: #8 of 154 inventorsTop 6%
Overall (All Time): #190,826 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12418987 Circuit board, method for manufacturing circuit board, and resonator device 2025-09-16
11728782 Resonator device and method for manufacturing resonator device Masahiro Fujii 2023-08-15
10473913 Variable wavelength interference filter, optical module, and optical analysis device Akira Sano, Yasushi Matsuno 2019-11-12
10007106 Optical filter, optical module, electronic apparatus, and method of manufacturing optical filter Susumu SHINTO 2018-06-26
9588333 Wavelength tunable interference filter, method for manufacturing wavelength tunable interference filter, optical module, and electronic apparatus Akira Sano 2017-03-07
9447267 Modified polypropylene composition and laminate using the same Hironori Matsumoto, Hirotaka Uosaki, Yuji Sawada 2016-09-20
9322966 Interference filter having Ag—Bi—Nd alloy film Susumu SHINTO, Tomonori MATSUSHITA 2016-04-26
8970957 Tunable interference filter, optical module, and electronic device 2015-03-03
8947782 Wavelength variable interference filter, optical module, and light analyzer Nozomu HIROKUBO 2015-02-03
8848292 Optical filter and method for manufacturing optical filter Tomoki SAKASHITA 2014-09-30
8593723 Method of manufacturing variable wavelength interference filter and variable wavelength interference filter Akira Sano 2013-11-26
8369713 Bit-rate discrimination method and its apparatus Kazutaka Hara, Shunji Kimura, Hirotaka Nakamura, Yoshikazu Urabe, Masahiro Endo 2013-02-05
8094692 Modulation method, modulation program, recording medium, modulation device, and optical transmitter Hirotaka Nakamura, Shunji Kimura, Kazutaka Hara 2012-01-10
8083328 Electrostatic actuator, droplet discharging head, method of manufacturing thereof and droplet discharging device Motoki Itoda, Masahiro Fujii, Yoshifumi Hano 2011-12-27
7936842 Automatic bit rate control circuit Shunji Kimura, Tomoaki Yoshida, Hiroshi Takada 2011-05-03
7881414 Bit rate discrimination circuit based on a low frequency component of signal Shunji Kimura, Tomoaki Yoshida, Hiroshi Takada 2011-02-01
6863375 Ejection device and inkjet head with silicon nozzle plate Tomohiro Makigaki, Taro Takekoshi, Masahiro Fujii, Seiichi Fujita 2005-03-08
6799834 Method for manufacturing an electrostatic actuator Masahiro Fujii, Hiroyuki Maruyama, Kazuhiko Sato, Tomohiro Makigaki, Shigeo Nojima +1 more 2004-10-05
6450625 Electrostatic actuator, manufacturing method therefor, and liquid discharging device using the same Masahiro Fujii, Hiroyuki Maruyama, Kazuhiko Sato, Tomohiro Makigaki, Shigeo Nojima +1 more 2002-09-17
6410107 Methods for manufacturing an electrostatic actuator Kazuhiko Sato, Hiroyuki Maruyama, Masahiro Fujii, Tadaaki Hagata, Keiichi Mukaiyama 2002-06-25
6375858 Method of forming nozzle for injection device and method of manufacturing inkjet head Tomohiro Makigaki, Taro Takekoshi, Masahiro Fujii, Seiichi Fujita 2002-04-23
6190003 Electrostatic actuator and manufacturing method therefor Kazuhiko Sato, Hiroyuki Maruyama, Masahiro Fujii, Tadaaki Hagata, Keiichi Mukaiyama 2001-02-20