TK

Tetsuya Kojima

FI Fujikin Incorporated: 21 patents #20 of 318Top 7%
Mitsubishi Electric: 19 patents #1,108 of 25,717Top 5%
Fujitsu Limited: 13 patents #2,362 of 24,456Top 10%
JD Japan Display: 10 patents #339 of 1,204Top 30%
FU Fujifilm: 5 patents #1,507 of 4,519Top 35%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
JC Japan Display Central: 3 patents #11 of 90Top 15%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
TC Toshiba Matsushita Display Technology Co.: 3 patents #44 of 235Top 20%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
TC Tamagawa Seiki Co.: 2 patents #19 of 88Top 25%
JA Japan Aerospace Exploration Agency: 2 patents #70 of 546Top 15%
OB Obara: 1 patents #19 of 35Top 55%
CC Chubu Nihon Maruko Co.: 1 patents #2 of 2Top 100%
PT Praxair S.T. Technology: 1 patents #81 of 143Top 60%
SC Shinko Electric Industries Co.: 1 patents #437 of 723Top 65%
Overall (All Time): #18,309 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 1–25 of 89 patents

Patent #TitleCo-InventorsDate
12375010 Power conversion device, aircraft, and power conversion method Ryota ASAKURA, Yusuke SHIROUCHI, Kenji Fujiwara 2025-07-29
12170496 Motor control device Kenji Fujiwara, Hisatoshi Fukumoto, Tomoki TAKEGAMI, Akihiko Iwata, Masahiro Sugahara +3 more 2024-12-17
12107487 Power conversion device Kenji Fujiwara 2024-10-01
12015361 Motor control device Kenji Fujiwara, Hisatoshi Fukumoto, Tomoki TAKEGAMI, Akihiko Iwata, Masahiro Sugahara +3 more 2024-06-18
11888386 Power conversion device 2024-01-30
11804788 Power converter Hisatoshi Fukumoto, Kenji Fujiwara, Akihiko Iwata 2023-10-31
11796869 Device with imaging unit Mitsutaka Okita 2023-10-24
11516375 Display device Mitsutaka Okita, Daiichi Suzuki, Emi Higano, Shigesumi Araki 2022-11-29
11515821 Control device for rotating electrical machine Sho Kato 2022-11-29
11340493 Display device Mitsutaka Okita 2022-05-24
11296633 Rotary machine control device Hisanori Yamasaki 2022-04-05
11218100 Rotary machine control device 2022-01-04
11209703 Display device Mitsutaka Okita 2021-12-28
11197653 Tomosynthesis imaging apparatus, method for operating tomosynthesis imaging apparatus, and program for operating tomosynthesis imaging apparatus Masayoshi Matsuura 2021-12-14
11047679 Angle detecting apparatus Tatsuya Mori, Yoshihiko Kinpara, Takayuki Kifuku 2021-06-29
10809573 Display device Hirofumi Wakemoto, Mitsutaka Okita, Daiichi Suzuki 2020-10-20
10747058 Display device with organic insulating film having recess and projection Daiichi Suzuki, Hirofumi Wakemoto, Mitsutaka Okita 2020-08-18
10451925 Display device Hirofumi Wakemoto, Mitsutaka Okita, Daiichi Suzuki 2019-10-22
10197858 Display device Hirofumi Wakemoto, Mitsutaka Okita, Daiichi Suzuki 2019-02-05
9720767 Storage apparatus and storage apparatus control method Shinichi Kasahara, Masahiro Ide 2017-08-01
9391705 Non-contact connector Hiroyuki Koitabashi 2016-07-12
9331623 Brushless motor, external AC voltage source, and electric power steering device Yu Hirotani, Ryuichi Takiguchi, Yuji Takizawa, Masatsugu Nakano, Satoru Akutsu 2016-05-03
9231510 Control device for rotary machine and inductance measurement method for rotary machine Yosuke Hachiya, Shoji Adachi 2016-01-05
9130481 Power converting appartatus Kosuke Nakano 2015-09-08
8963462 Driving apparatus for multiplex-winding rotary machine Tatsuya Mori 2015-02-24