SK

Sachiko Kawakami

SL Semiconductor Energy Laboratory: 198 patents #42 of 1,113Top 4%
SC Semiconductor Energy Laboratories Co.: 2 patents #3 of 38Top 8%
Overall (All Time): #3,354 of 4,157,543Top 1%
200
Patents All Time

Issued Patents All Time

Showing 176–200 of 200 patents

Patent #TitleCo-InventorsDate
7960566 Anthracene derivative and light-emitting devices, electronic devices, and lighting device using the anthracene derivative Kaori Ogita, Tsunenori Suzuki, Satoshi Seo 2011-06-14
7927720 Quinoxaline derivative and light-emitting element, light-emitting device, and electronic device using quinoxaline derivative Hiroko Nomura, Hiroshi Kadoma, Satoko Shitagaki, Satoshi Seo 2011-04-19
7919773 Aromatic amine compound, and light-emitting element, light-emitting device, and electronic appliance using the aromatic amine compound Nobuharu Ohsawa, Harue Nakashima, Satoko Shitagaki 2011-04-05
7901792 Quinoxaline derivative, and light emitting element, light emitting device, and electronic appliance using the same Masakazu Egawa, Nobuharu Ohsawa, Hideko Inoue, Satoshi Seo, Ryoji Nomura 2011-03-08
7901791 Carbazole derivative, and light emitting element and light emitting device using the carbazole derivative Harue Nakashima, Daisuke Kumaki 2011-03-08
7897964 Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device Harue Nakashima 2011-03-01
7898171 Stilbene derivatives, light-emitting element and light-emitting device Masakazu Egawa, Harue Nakashima, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura 2011-03-01
7879464 Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic appliance Harue Nakashima, Kumi Kojima, Ryoji Nomura, Nobuharu Ohsawa 2011-02-01
7880019 Anthracene derivative, and light emitting element, light emitting device, and electronic device using the anthracene derivative Masakazu Egawa, Harue Osaka, Satoko Shitagaki 2011-02-01
7875879 Light-emitting element, light-emitting device, electronic device and quinoxaline derivative Tsunenori Suzuki, Satoshi Seo 2011-01-25
7842945 Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative Masakazu Egawa, Harue Nakashima, Tsunenori Suzuki, Ryoji Nomura 2010-11-30
7838128 Carbazole derivative, and light emitting element material, light emitting element, and electronic appliance obtained using the same Nobuharu Ohsawa, Harue Nakashima, Kumi Kojima, Masakazu Egawa, Ryoji Nomura 2010-11-23
7816668 Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device Harue Nakashima 2010-10-19
7795449 Aromatic amine compound, and light emitting element, light emitting device, and electronic device using aromatic amine compound Harue Nakashima, Satoko Shitagaki, Satoshi Seo 2010-09-14
7758972 Stilbene derivative, light emitting element, light emitting device, and electronic appliance Masakazu Egawa, Nobuharu Ohsawa 2010-07-20
7732619 Stilbene derivatives, light-emitting element, display device, and electronic device Masakazu Egawa, Harue Osaka, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura 2010-06-08
7732064 Anthracene derivative, and light-emitting element, light-emitting device, and electronic appliance using the same Harue Nakashima, Kumi Kojima, Ryoji Nomura, Nobuharu Ohsawa 2010-06-08
7723722 Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device using anthracene derivative Nobuharu Ohsawa, Satoshi Seo, Hiroki Suzuki 2010-05-25
7696348 Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative Masakazu Egawa, Harue Nakashima, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura 2010-04-13
7674914 Anthracene derivative, and light emitting element, light emitting device, electronic device using anthracene derivative Masakazu Egawa, Harue Osaka, Tsunenori Suzuki, Ryoji Nomura 2010-03-09
7666524 Oligonaphthalene derivatives, and light-emitting element and light-emitting device using oligonaphthalene derivatives Harue Nakashima, Ryoji Nomura 2010-02-23
7646010 Light-emitting element, light-emitting device, and electronic device Kumi Kojima, Satoshi Seo, Ryoji Nomura, Daisuke Kumaki, Hisao Ikeda +1 more 2010-01-12
7488849 Benzidine derivative, and light-emitting device and electric appliance using the benzidine derivative as the hole transporting material 2009-02-10
7476745 Stilbene derivatives, light-emitting element and light-emitting device Masakazu Egawa, Harue Nakashima, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura 2009-01-13
7442803 Aromatic amine compound, and light emitting element, light emitting device, and electronic device using aromatic amine compound Harue Nakashima, Satoko Shitagaki, Satoshi Seo 2008-10-28