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 26–50 of 65 patents

Patent #TitleCo-InventorsDate
8618574 Light-emitting element, display device, and electronic appliance Satoshi Seo 2013-12-31
8502210 Light-emitting element and light-emitting device Satoshi Seo 2013-08-06
8455114 Light emitting element and light emitting device using the same Satoshi Seo 2013-06-04
8450755 Light emitting device Satoshi Seo, Hisao Ikeda, Junichiro Sakata 2013-05-28
8431248 Carbazole derivative, and light emitting element and light emitting device using the carbazole derivative Harue Nakashima, Sachiko Kawakami 2013-04-30
8420227 Composite material, light emitting element and light emitting device Yuji Iwaki, Satoshi Seo 2013-04-16
8405070 Composite material, and light emitting element and light emitting device using the composite material Yuji Iwaki, Satoshi Seo, Harue Nakashima, Kumi Kojima 2013-03-26
8368059 Light emitting element and light emitting device using the same Satoshi Seo 2013-02-05
8368060 Light emitting element and light emitting device using the same Satoshi Seo 2013-02-05
8344621 Light emitting element and light emitting device Hisao Ikeda, Hiroko Abe, Satoshi Seo 2013-01-01
8338196 Light-emitting element and light emitting device using the same Satoshi Seo 2012-12-25
8207555 Light-emitting element and light emitting device using the same Satoshi Seo 2012-06-26
8202630 Light emitting element and light emitting device using the same Satoshi Seo 2012-06-19
8188491 Light emitting device Satoshi Seo, Hisao Ikeda, Junichiro Sakata 2012-05-29
8169139 Light emitting element and display device using the same Hisao Ikeda, Junichiro Sakata, Satoshi Seo 2012-05-01
8008652 Light emitting device Satoshi Seo 2011-08-30
8008651 Light-emitting element and light-emitting device Satoshi Seo 2011-08-30
7964864 Light-emitting element and light-emitting device Satoshi Seo 2011-06-21
7964891 Light-emitting element, display device, and electronic appliance Satoshi Seo 2011-06-21
7940002 Light emitting element and light emitting device Hisao Ikeda, Hiroko Abe, Satoshi Seo 2011-05-10
7901791 Carbazole derivative, and light emitting element and light emitting device using the carbazole derivative Harue Nakashima, Sachiko Kawakami 2011-03-08
7892657 Light emitting element, light emitting device, and electronic device Harue Nakashima, Ryoji Nomura, Hiroko Abe, Satoshi Seo, Junichiro Sakata +1 more 2011-02-22
7893427 Light emitting element and light emitting device using the same Satoshi Seo 2011-02-22
7875893 Light emitting device Satoshi Seo, Hisao Ikeda, Junichiro Sakata 2011-01-25
7860508 Mobile communication system 2010-12-28