KT

Kouichi Tanaka

NK Nippon Kayaku: 24 patents #3 of 1,103Top 1%
SC Shin-Etsu Chemical Co.: 17 patents #260 of 2,176Top 15%
PC Polatechno Co.: 12 patents #3 of 25Top 15%
CC Clarion Co.: 6 patents #81 of 721Top 15%
SC Shin-Etsu Handotai Co.: 6 patents #126 of 679Top 20%
NC Nippon Electric Co.: 5 patents #15 of 792Top 2%
CK Chubu Bearing Kabushikikaisha: 5 patents #1 of 4Top 25%
SC Sekisui Chemical Co.: 4 patents #181 of 908Top 20%
HK Hioki Denki Kabushiki Kaisha: 4 patents #5 of 64Top 8%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
DI Daikin Industries: 2 patents #1,262 of 2,957Top 45%
KI Kurita Water Industries: 2 patents #86 of 384Top 25%
AD Advantest: 2 patents #465 of 1,193Top 40%
NT NTT: 1 patents #2,911 of 4,871Top 60%
NO Nohken: 1 patents #4 of 7Top 60%
OK Otsuka Kagaku Kabushiki Kaisya: 1 patents #86 of 183Top 50%
SU Saga University: 1 patents #48 of 111Top 45%
YC Yamanouchi Pharmaceutical Co.: 1 patents #277 of 516Top 55%
SO Sony: 1 patents #17,262 of 25,231Top 70%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Basf Se: 1 patents #8,065 of 13,826Top 60%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
EL Enya Systems Limited: 1 patents #3 of 6Top 50%
HI Harbor-Ucla Research And Education Institute: 1 patents #3 of 25Top 15%
HE Hioki E.E.: 1 patents #22 of 50Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KK Kanto Kagaku: 1 patents #73 of 181Top 45%
Kyocera: 1 patents #2,054 of 3,732Top 60%
MC Mgc Filsheet Co.: 1 patents #42 of 79Top 55%
MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NE Nec: 1 patents #7,889 of 14,502Top 55%
📍 Tokyo, CA: #92 of 583 inventorsTop 20%
Overall (All Time): #18,806 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 1–25 of 88 patents

Patent #TitleCo-InventorsDate
12181735 Optical element or polarizing plate, and eyewear using same Shohei Yoshida 2024-12-31
11773907 Thrust gas bearing, centrifugal compressor equipped with same, and refrigeration apparatus equipped with same Bichuan Liu, Kousuke Nishimura 2023-10-03
11294177 Head-up display system Tomoyuki Hayasaki 2022-04-05
11042058 Image display device 2021-06-22
11022732 Optical film for eyewear, and functional film for eyewear, optical laminate for eyewear, and eyewear which have same Saki Abe, Yoshiyuki Yahagi 2021-06-01
10942374 Optical film for eyewear, and optical laminate and eyewear using the optical film Yoshiyuki Yahagi, Saki Abe, Yuki Aikawa 2021-03-09
10866435 Optical film for eyewear with light control, light reflection, and polarization layers Yoshiyuki Yahagi, Saki Abe, Yuki Aikawa 2020-12-15
10816709 Light reflection film and laminate having the light reflection film Tomoyuki Hayasaki, Hitoshi Asami, Yoshiyuki Yahagi 2020-10-27
10525666 Optical laminate structure and head-up display system using the optical laminate structure, and light reflection film Tomoyuki Hayasaki, Hitoshi Asami, Yoshiyuki Yahagi, Chihiro Takahashi 2020-01-07
10421676 Bactericidal/algicidal method Yutaka Yoneda, Hideo Otaka, Kazuhiko Tsunoda, Naohiro Nagai, Akira Iimura 2019-09-24
10411315 Battery pack structure including cooling duct outside pack case connected to chamber inside pack case by connector and first and second sealing members Akihiro Kosaki, Takenori Kobayashi, Shigeru Fukuda, Toshiaki NARUKE, Akira Azumi 2019-09-10
10241241 Light reflecting film, and light controlling film, optical film, functional glass and head-up display including the light reflecting film Chihiro Takahashi, Yui Yokoyama, Tomoyuki Hayasaki 2019-03-26
10120206 Optical film and optical laminate using same Yoshiyuki Yahagi, Hideyoshi Fujisawa, Takuya Gotou, Katsuyuki Murai, Kazuhisa Mitsuhata +1 more 2018-11-06
9869805 Infrared reflective film, and laminated glass employing same Hideyoshi Fujisawa, Kensuke Izutani, Satoshi Nishiyama, Atsushi Takamatsu, Akira Matsumoto +1 more 2018-01-16
9748815 Rotary compressor with the balance weight formed with a recess for receiving the head of a rivet Kazutaka Hori, Takashi Shimizu 2017-08-29
9617292 Method for producing novel organometallic complex and amine compound Masahito Watanabe, Toshihide Takemoto, Kunihiko Murata 2017-04-11
9527030 Method for preventing fouling of exhaust gas flow path of burning equipment and method for removing ammonium hydrogen sulfate contained in exhaust gas of burning equipment Satoshi Fujita, Masahiko Mitsuta 2016-12-27
9181479 Retardation element Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Mayu Kameda 2015-11-10
9180648 Laminate for laminated glass Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Mayu Kameda 2015-11-10
8783770 Chair Hiroki Denmyouji, Kiyomi Matsuo 2014-07-22
8772132 Method of manufacturing laminated wafer by high temperature laminating method Shoji Akiyama, Yoshihiro Kubota, Atsuo Ito, Makoto Kawai, Yuji Tobisaka +1 more 2014-07-08
8557394 Laminate for laminated glass and interlayer film for laminated glass Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Mayu Kameda 2013-10-15
8551862 Method of manufacturing laminated wafer by high temperature laminating method Shoji Akiyama, Yoshihiro Kubota, Atsuo Ito, Makoto Kawai, Yuji Tobisaka +1 more 2013-10-08
8420503 Method for producing SOI substrate Shoji Akiyama, Makoto Kawai, Atsuo Ito, Yoshihiro Kubota, Yuji Tobisaka +1 more 2013-04-16
8367216 Laminate for laminated glass and interlayer film for laminated glass Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Mayu Kameda 2013-02-05