Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JK

Junji Kido — 62 Patents

UNUnknown: 34 patents #63 of 83,584Top 1%
Rohm Co.: 17 patents #131 of 2,292Top 6%
Dai Nippon Printing Co.: 11 patents #178 of 2,222Top 9%
Mitsubishi Electric: 9 patents #3,275 of 25,717Top 15%
Panasonic: 4 patents #6,210 of 21,108Top 30%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
NINissan Chemical Industries: 3 patents #396 of 1,150Top 35%
DCDainichiseika Color & Chemicals Mfg. Co.: 3 patents #88 of 376Top 25%
ULUdc Ireland Limited: 2 patents #74 of 148Top 50%
TPTohoku Pioneer: 2 patents #104 of 312Top 35%
Samsung: 1 patents #50,112 of 75,807Top 70%
Denso: 1 patents #6,940 of 11,792Top 60%
GRGeorgia Tech Research: 1 patents #1,150 of 2,755Top 45%
KMKonica Minolta: 1 patents #1,862 of 2,718Top 70%
MOMoltech: 1 patents #23 of 47Top 50%
UIUbe Industries: 1 patents #895 of 1,686Top 55%
MCMitsubishi Chemical: 1 patents #1,786 of 3,022Top 60%
CKChemipro Kasei Kaisha: 1 patents #11 of 16Top 70%
Overall (All Time): #36,550 of 4,157,543Top 1%
62 Patents All Time
Junji Kido has been granted 62 US patents while listed as an inventor at Unknown. The first was granted in 1992 and the most recent in September 2024. Junji Kido ranks #36,550 of 4,157,543 US inventors in our database (top 0.88%). Patent records list Junji Kido in Yamagata, GA, JP.

Patents per Year

Patents granted per year, 1992 to 2024Bar chart with a peak of 6 patents in 2015.peak 61992: 1 patents19921998: 2 patents1999: 1 patents2000: 1 patents20002002: 4 patents2003: 4 patents2004: 3 patents20042005: 1 patents2006: 1 patents2007: 2 patents20072008: 3 patents2009: 1 patents2010: 3 patents20102011: 3 patents2012: 2 patents2013: 4 patents20132014: 4 patents2015: 6 patents2016: 4 patents20162017: 2 patents2018: 1 patents2019: 4 patents20192020: 2 patents2021: 2 patents2024: 1 patents2024

Issued Patents All Time

Showing 1–25 of 62 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12096689 Compound having nitrogen-containing six-membered aromatic ring structure, and material for organic light-emitting-diode, electron transport material, and organic light-emitting-diode using the same Hisahiro Sasabe, Tomohiro Maruyama, Tsukasa Owada, Tomoya Kawano, Yu Saito 2024-09-17
11031559 Phenoxasiline based compounds for electronic application Soichi Watanabe, Christian Lennartz, Gerhard Wagenblast, Nicolle Langer, Hisahiro Sasabe +1 more 2021-06-08
10998527 Organic electroluminescent device Toshio Matsumoto 2021-05-04
10763447 Devices with organic semiconductor layers electrically-doped over a controlled depth Bernard Kippelen, Naoya Aizawa, Canek Fuentes-Hernandez, Seth Marder, Felipe A. Larrain +2 more 2020-09-01
10529954 Organic thin-film laminate and organic electroluminescence element Kazuhiro Oikawa, Toshihiko Iwasaki, Takayuki Chiba, Yong-Jin Pu 2020-01-07
10319917 Phenoxasiline based compounds for electronic application Soichi Watanabe, Christian Lennartz, Gerhard Wagenblast, Nicolle Langer, Hisahiro Sasabe +1 more 2019-06-11
10319949 Organic electroluminescent device Toshio Matsumoto 2019-06-11
10312474 Organic electroluminescent device comprising a plurality of light emissive units Toshio Matsumoto 2019-06-04
10217967 Organic electroluminescent device Toshio Matsumoto 2019-02-26
9905427 Laser annealing device and laser annealing method 2018-02-27
9653688 Organic devices, organic electroluminescent devices and organic solar cells Toshio Matsumoto, Takeshi Nakada 2017-05-16
9608217 Transistor element Ken Nakayama, Ryotaro Akiba, Naomi Oguma, Naoki Hirata 2017-03-28
9466799 Organic devices, organic electroluminescent devices and organic solar cells Toshio Matsumoto, Takeshi Nakada 2016-10-11
9425411 Organic electroluminescent element Yong-Jin Pu, Takayuki Chiba, Sei Satoh, Kazushige Ideta 2016-08-23
9379351 Display element and method for producing the same Toshitaka Mori, Yasuyuki Oyagi 2016-06-28
9373823 Organic electronic device and method for manufacturing the same Takayuki Chiba, Yang Yang, Yong-Jin Pu 2016-06-21
9203046 Organic electroluminescent device and production process thereof Toshio Matsumoto, Takeshi Nakada, Norifumi Kawamura 2015-12-01
9196850 Organic devices, organic electroluminescent devices, organic solar cells, organic FET structures and production method of organic devices Toshio Matsumoto, Akira Yokoi, Takeshi Nakada, Norifumi Kawamura 2015-11-24
9070892 Organic electroluminescent device 2015-06-30
9018834 Organic light emitting device Nobuhiro Ide, Jun Endo 2015-04-28
9000419 Organic electroluminescence element Yasuhiro Iizumi, Atsushi Oda, Toshitaka Mori 2015-04-07
8927972 Current-amplifying transistor device and current-amplifying, light-emitting transistor device Ken Nakayama, Yong-Jin Pu, Fumito Suzuki, Naomi Oguma, Naoki Hirata 2015-01-06
8895963 Organic semiconductor material, organic semiconductor thin film, and organic thin-film transistor Ken Nakayama, Yong-Jin Pu, Yohei Hashimoto, Naomi Oguma, Naoki Hirata 2014-11-25
8822040 Organic electroluminescent element Toshitaka Mori, Yasuyuki Ohyagi 2014-09-02
8735880 Light emitting transistor Daigo Aoki 2014-05-27