KK

Kumi Kojima

SL Semiconductor Energy Laboratory: 3 patents #135 of 359Top 40%
Overall (2011): #42,984 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8039122 Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device Sachiko Kawakami, Nobuharu Ohsawa, Harue Nakashima, Satoshi Seo, Masakazu Egawa +1 more 2011-10-18
7914911 Anthracene derivative and light emitting element and light emitting device using the same Sachiko Yamagata, Ryoji Nomura, Satoshi Seo 2011-03-29
7879464 Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic appliance Sachiko Kawakami, Harue Nakashima, Ryoji Nomura, Nobuharu Ohsawa 2011-02-01