KN

Keiichi Nakamura

SS Sumitomo Wiring Systems: 23 patents #127 of 2,615Top 5%
TK Toyoda Koki Kabushiki Kaisha: 14 patents #17 of 674Top 3%
TO Toyota: 11 patents #2,600 of 26,838Top 10%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
SI Sumitomo Metal Industries: 6 patents #80 of 1,462Top 6%
NM Nippon Steel & Sumitomo Metal: 5 patents #197 of 1,491Top 15%
CO Combi: 5 patents #32 of 161Top 20%
Mazda Motor: 5 patents #800 of 4,755Top 20%
NI Nikon: 5 patents #754 of 2,493Top 35%
Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
NI Ngk Insulators: 4 patents #658 of 2,083Top 35%
HC Hitachi Powdered Metals Co.: 3 patents #44 of 246Top 20%
VF Vallourec Oil And Gas France: 3 patents #33 of 144Top 25%
TA Tandy: 3 patents #15 of 92Top 20%
YC Yazaki Industrial Chemical Co.: 3 patents #10 of 41Top 25%
SO Sony: 2 patents #12,963 of 25,231Top 55%
RE Resonac: 2 patents #101 of 474Top 25%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
FL Fujitsu General Limited: 2 patents #129 of 325Top 40%
AT Autonetworks Technologies: 1 patents #723 of 1,079Top 70%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
AM Amp: 1 patents #694 of 1,260Top 60%
Overall (All Time): #13,936 of 4,157,543Top 1%
102
Patents All Time

Issued Patents All Time

Showing 1–25 of 102 patents

Patent #TitleCo-InventorsDate
12331137 Method for producing purified chloroprene-based-polymer latex Yuki Miura 2025-06-17
11994746 Zoom lens, optical apparatus and method for manufacturing the zoom lens 2024-05-28
11891470 Method for producing chloroprene-based-polymer latex Yuki Miura, Yuji Hashimoto 2024-02-06
11614129 Automatic transmission Tatsuhiko Iwasaki, Tatsutoshi Mizobe, Yoshihiko Fujita 2023-03-28
11536322 Automatic transmission Tatsuhiko Iwasaki, Tatsutoshi Mizobe, Yoshihiko Fujita 2022-12-27
11525488 Automatic transmission Tatsuhiko Iwasaki, Yoshihiko Fujita, Tetsuo Yamada 2022-12-13
11486453 Automatic transmission and centrifugal balance adjustment method for automatic transmission Tatsuhiko Iwasaki 2022-11-01
11398401 Wafer mounting table and method of manufacturing the same Yuji AKATSUKA, Masaki Ishikawa, Kazuhiro Nobori, Akiyoshi Hattori 2022-07-26
11390167 Power supply system 2022-07-19
11215790 Zoom lens, optical apparatus and method for manufacturing the zoom lens 2022-01-04
11121500 Connector Takeshi Masuda, Tomoyuki Sakata, Hiromu OTANI, Takehide Terasawa, Takahiko Saitou 2021-09-14
10913356 Power supply system 2021-02-09
10620757 Input device and electrical apparatus Yoshiteru Taka, Takeshi Koizumi, Tomoki Kawabata, Munetake Ebihara, Tatsuya Nakazawa +3 more 2020-04-14
10344627 Heat recovery steam generator and power plant Hideaki Shimada 2019-07-09
10101568 Zoom lens, optical device, and method for manufacturing the zoom lens 2018-10-16
10087786 Plant control apparatus and combined cycle power plant Hikaru Kiga, Masayuki TOBO, Toyohiro Akebi 2018-10-02
9719617 Threaded joint for steel pipes Takashi Okada, Masaaki Sugino, Suguru Yamaguchi 2017-08-01
9605781 Threaded connection comprising at least one threaded element with an end lip for a metal tube Sylvain Beigneux, Daly Daly, Bertrand Maillon, Claire Patureau, Eric Verger +3 more 2017-03-28
9568125 Threaded joint for steel pipes Suguru Yamaguchi, Masaaki Sugino, Michihiko Iwamoto, Gabriel Briquet, Claire Patureau +3 more 2017-02-14
9528396 Heat recovery steam generator and power plant Hideaki Shimada 2016-12-27
9416686 Heat recovery steam generator and power plant Hideaki Shimada 2016-08-16
9351915 Ascorbic acid derivative composition and production method of the same, ascorbic acid derivative solution, and skin external preparation Takanori Aoki 2016-05-31
9041804 Input device, vehicle environment monitoring apparatus, icon switch selection method, and recording medium Taketoshi Fujii, Haruka Iga, Yoji Inui, Atsuo Fukaya, Yoshiyuki Yamada 2015-05-26
9017494 Method for producing seamless steel pipe for oil wells excellent in sulfide stress cracking resistance Yuji Arai, Tomohiko Omura 2015-04-28
8995064 Zoom lens, imaging apparatus, and method for manufacturing zoom lens 2015-03-31