KT

Keiji Tanaka

Sumitomo Electric Industries: 71 patents #74 of 21,551Top 1%
SI Sanyo Chemical Industries: 10 patents #6 of 607Top 1%
Shell Oil Compny: 9 patents #321 of 4,423Top 8%
Canon: 6 patents #8,497 of 19,416Top 45%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
KD Kdd: 4 patents #10 of 96Top 15%
NT NTT: 3 patents #1,627 of 4,871Top 35%
TS Tokyo Metropolitan Institute Of Medical Science: 3 patents #15 of 122Top 15%
KU Kyushu University: 3 patents #30 of 186Top 20%
KS Kdd Submarine Cable Systems: 2 patents #12 of 42Top 30%
IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
KD Kddi: 2 patents #137 of 396Top 35%
NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%
TC Taiho Kogyo Co.: 1 patents #179 of 332Top 55%
TB Takara Bio: 1 patents #118 of 224Top 55%
EB Ebara: 1 patents #1,014 of 1,611Top 65%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Air Conditioning Systems Co.: 1 patents #4 of 23Top 20%
HA Hitachi Appliances: 1 patents #56 of 109Top 55%
KS Kddi Submarine Cable Systems: 1 patents #11 of 27Top 45%
KC Kyowa Hakko Kogyo Co.: 1 patents #549 of 943Top 60%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
OC Otsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SK Showa Shell Sekiyu K.K.: 1 patents #27 of 82Top 35%
SL Sumitomo Pharmaceuticals Company Limited: 1 patents #135 of 327Top 45%
SI Sumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
SC Sun-S Co.: 1 patents #2 of 13Top 20%
SM Suzuki Motor: 1 patents #523 of 1,209Top 45%
Overall (All Time): #7,227 of 4,157,543Top 1%
139
Patents All Time

Issued Patents All Time

Showing 26–50 of 139 patents

Patent #TitleCo-InventorsDate
11198830 Grease composition Kazuya Watanabe 2021-12-14
11051563 Air cooling blower and air-cooled clothing on which air cooling blower is mounted Kaoru Kittaka, Tsuyoshi Nakamura 2021-07-06
10819425 Transimpedance amplifier for receiving burst optical signal 2020-10-27
10666013 Driver circuit 2020-05-26
10656444 Optical modulator 2020-05-19
10634684 Method for identifying polyubiquitinated substrate Yukiko Yoshida, Yasushi Saeki, Hikaru Tsuchiya, Arisa Murakami 2020-04-28
10574027 Laser driver circuit and optical transmitter using the same Naoki Itabashi 2020-02-25
10479873 Method of producing polymer-impregnated base resin Yasuhisa Minagawa, Hisao Matsuno, Toyoaki Hirata 2019-11-19
10302566 Method for evaluating physical properties of polymer compositions Daisuke Kawaguchi, Atsuomi Shundo, Mika Aoki, Tatsuya Ganbe, Nobuyuki Sekine +1 more 2019-05-28
9973165 Variable gain amplifier and driver implementing the same 2018-05-15
9891228 Method for determining ubiquitin chain length Yasushi Saeki, Hikaru Tsuchiya, Ai Kaiho 2018-02-13
9891229 Method for determining ubiquitin chain length Yasushi Saeki, Hikaru Tsuchiya, Ai Kaiho 2018-02-13
9825602 Amplifier Naoki Itabashi 2017-11-21
9705601 Driver for pulse amplitude modulation and optical transmitter implementing the same 2017-07-11
9660601 Amplifier with compensation of gain in low frequencies Yoshiyuki Sugimoto 2017-05-23
9608405 Laser driver with maintaining average optical power constant 2017-03-28
9608581 Differential amplifier Naoki Itabashi, Taizo TATSUMI 2017-03-28
9543906 Optical receiver to enhance dynamic range thereof 2017-01-10
9531479 Method of monitoring wavelength of optical signal output from light emitting element and optical signal monitoring circuit Tomoko Miura 2016-12-27
9419574 Amplifier circuit Naoki Itabashi 2016-08-16
9290715 Grease composition Kazuya Watanabe 2016-03-22
9284393 Biomolecule-compatible, highly branched polymer and biomolecular-recognition surface Tomoyasu Hirai, Kazutaka Shimafuji, Masayuki Haraguchi, Motonobu Matsuyama 2016-03-15
9246440 Differential amplifier Naoki Itabashi, Taizo TATSUMI 2016-01-26
9124374 Transmitter optical module outputting an optical signal containing two or more wavelengths Phillip J. Edwards 2015-09-01
9116367 Driver for electro-absorption modulator Taizo TATSUMI 2015-08-25