DK

Daisuke Kumaki

SL Semiconductor Energy Laboratory: 54 patents #180 of 1,113Top 20%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
OC Oki Semiconductor Co.: 1 patents #202 of 526Top 40%
📍 Yonezawa, JP: #1 of 131 inventorsTop 1%
Overall (All Time): #33,215 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 1–25 of 65 patents

Patent #TitleCo-InventorsDate
12207898 Evaluation test apparatus Shizuo Tokito 2025-01-28
11389115 Piezoelectric sensor Junichi Toukairin, Shizuo Tokito 2022-07-19
10886497 Light-emitting element Satoshi Seo 2021-01-05
10821506 Method for producing silver nanoparticle dispersion and method for producing silver nanoparticle ink Konami Izumi, Shizuo Tokito, Daisuke Shiokawa 2020-11-03
10497894 Light-emitting element and light-emitting device Satoshi Seo 2019-12-03
10193068 Method of manufacturing a specifically dimensioned thin film transistor, thin film transistor, and transistor array Tomoko Okamoto, Kenichi Yatsugi, Yoshinori Katayama, Kenjiro Fukuda, Shizuo Tokito 2019-01-29
10144066 Silver nanoparticles, method for producing silver nanoparticles, and silver nanoparticle ink Shizuo Tokito 2018-12-04
9978954 Benzobis (thiadiazole) derivative, ink comprising same, and organic electronic device comprising same Shizuo Tokito, Masashi MAMADA, Kenjiro Fukuda, Yasuhiro Tanaka, Hidetaka Shima +7 more 2018-05-22
9832886 Method for forming wiring Shizuo Tokito, Yu Kobayashi, Shohei Norita 2017-11-28
9773989 Method for producing metal thin film and conductive structure Tomohito Sekine, Shizuo Tokito, Kenjiro Fukuda 2017-09-26
9570697 Light-emitting element Satoshi Seo 2017-02-14
9520532 Light emitting element and light emitting device using the same Satoshi Seo 2016-12-13
9290516 Benzobis(thiadiazole) derivative and organic electronics device comprising same Shizuo Tokito, Hidetaka Shima, Hiroyuki Oda, Yasuhiro Tanaka, Kazuaki Kakita +4 more 2016-03-22
9142783 Light emitting element and light emitting device Harue Nakashima, Sachiko Kawakami, Satoshi Seo, Hisao Ikeda, Junichiro Sakata +1 more 2015-09-22
8927114 Light emitting element and electronic device using the same Ryoji Nomura, Satoshi Seo, Hiroko Abe, Takako Takasu, Hideko Inoue +2 more 2015-01-06
8922116 Light emitting element and light emitting device Hisao Ikeda, Hiroko Abe, Satoshi Seo 2014-12-30
8916276 Composite material, light emitting element and light emitting device Yuji Iwaki, Satoshi Seo 2014-12-23
8900728 Carbazole derivative, and light emitting element and light emitting device using the carbazole derivative Harue Nakashima, Sachiko Kawakami 2014-12-02
8878159 Light-emitting element and light-emitting device Satoshi Seo 2014-11-04
8872169 Light emitting element and light emitting device using the same Satoshi Seo 2014-10-28
8796670 Light-emitting element Satoshi Seo 2014-08-05
8723196 Light emitting device Satoshi Seo, Hisao Ikeda, Junichiro Sakata 2014-05-13
8653730 Light emitting element and display device using the same Hisao Ikeda, Junichiro Sakata, Satoshi Seo 2014-02-18
8643003 Light emitting device Satoshi Seo 2014-02-04
8629429 Electrode device for organic device and electronic device having the same Tetsuo Tsutsui 2014-01-14