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 101–125 of 200 patents

Patent #TitleCo-InventorsDate
8735597 Benzoxazole derivative, and light-emitting element, light-emitting device, and electronic device using benzoxazole derivative Hiroko Nomura, Nobuharu Ohsawa, Satoshi Seo 2014-05-27
8722904 Anthracene derivative, light-emitting device and electronic appliance Tsunenori Suzuki, Nobuharu Ohsawa, Satoko Shitagaki, Satoshi Seo 2014-05-13
8716489 Oxadiazole derivative, light-emitting element material, light-emitting element, light-emitting device, and electronic device Hiroko Nomura, Nobuharu Ohsawa, Satoshi Seo 2014-05-06
8704242 Aromatic amine compound, and light emitting element, light emitting device, and electronic device using aromatic amine compound Harue Nakashima, Satoko Shitagaki, Satoshi Seo 2014-04-22
8704215 Stilbene derivatives, light-emitting element, display device, and electronic device Masakazu Egawa, Harue Osaka, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura 2014-04-22
8704212 Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device Harue Nakashima 2014-04-22
8697885 Carbazole compound, light-emitting element material, organic semiconductor material, light-emitting element, light emitting device, lighting device, and electronic device Nobuharu Ohsawa 2014-04-15
8686628 Anthracene derivative Harue Nakashima, Kumi Kojima, Nobuharu Ohsawa, Ryoji Nomura 2014-04-01
8686159 Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative Hiroko Murata, Harue Nakashima, Nobuharu Ohsawa, Ryoji Nomura, Satoshi Seo 2014-04-01
8674117 Organoboron compound and method for manufacturing the same Hiroki Suzuki 2014-03-18
8674114 Carbazole compound, light-emitting element material, and organic semiconductor material Kaori Ogita, Nobuharu Ohsawa, Hiromi Seo, Satoshi Seo 2014-03-18
8673459 Light-emitting element and electronic device Satoshi Seo, Harue Osaka, Nobuharu Ohsawa, Tsunenori Suzuki, Hiromi Nowatari +2 more 2014-03-18
8669373 Carbazole derivative and method for producing the same Hiroki Suzuki, Nobuharu Ohsawa, Satoshi Seo 2014-03-11
8642141 Liquid crystal composition, liquid crystal element, and liquid crystal display device Tomohiro Tamura, Yasuhiro Niikura, Tetsuji Ishitani, Yuko Kawata 2014-02-04
8642782 Carbazole derivative, light-emitting element material and organic semiconductor material Hiroki Suzuki, Kyoko Takeda, Tsunenori Suzuki, Satoshi Seo, Nobuharu Ohsawa 2014-02-04
8623523 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 2014-01-07
8603644 Anthracene derivative, and light-emitting material, light-emitting element, light-emitting device, and electronic device using the same Harue Osaka, Nobuharu Ohsawa, Satoshi Seo 2013-12-10
8604224 Benzo[b]naphtho[1,2-d]furan compound as light-emitting element material Hiroki Suzuki, Satoshi Seo, Tsunenori Suzuki 2013-12-10
8603647 Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device Nobuharu Ohsawa, Harue Nakashima, Kumi Kojima, Satoshi Seo, Masakazu Egawa +1 more 2013-12-10
8603595 Liquid crystalline compound, liquid crystal composition, liquid crystal element, and liquid crystal display device Yuko Kawata, Momoko Kato, Tetsuji Ishitani, Tomohiro Tamura 2013-12-10
8592053 Anthracene derivative, light-emitting element, light-emitting device, and electronic appliance Tsunenori Suzuki, Nobuharu Ohsawa, Satoko Shitagaki, Satoshi Seo 2013-11-26
8592056 Triazole derivative, and light-emitting element, light-emitting device, and electronic device with the use of triazole derivative Hiroko Nomura, Nobuharu Ohsawa, Satoshi Seo 2013-11-26
8586740 Quinoxaline derivative, and light-emitting element, light-emitting device, and electronic device using quinoxaline derivative Hiroshi Kadoma, Satoko Shitagaki, Satoshi Seo 2013-11-19
8551625 Derivative with heteroaromatic ring, and light-emitting element, light-emitting device, lighting device, and electronic device using derivative with heteroaromatic ring Hiroko Nomura, Hiroshi Kadoma, Nobuharu Ohsawa, Satoshi Seo 2013-10-08
8546792 Anthracene derivative, and light emitting element, light emitting device, and electronic device using the anthracene derivative Masakazu Egawa, Harue Osaka, Satoko Shitagaki 2013-10-01