HS

Hirotaka Sakuma

Sumitomo Electric Industries: 18 patents #1,247 of 21,551Top 6%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
SC Showa Denko Materials Co.: 2 patents #64 of 270Top 25%
HI Hitach: 1 patents #1 of 68Top 2%
RE Resonac: 1 patents #191 of 474Top 45%
Overall (All Time): #104,527 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
9306177 Organic light-emitting layer material, coating liquid for use in forming organic light-emitting layer with organic material, organic light-emitting device produced with coating liquid, light source apparatus with organic light-emitting device, and methods for manufacture thereof Sukekazu Aratani 2016-04-05
9281489 Organic luminescent materials, coating solution using organic luminescent materials for organic emitting layer, organic light emitting device using coating solution, light source device using organic light emitting device and method of organic light emitting device Sukekazu Aratani 2016-03-08
9118031 Organic light-emitting device, coating liquid for forming organic light-emitting device, material for forming organic light-emitting device, light source device using organic light-emitting device, and organic light-emitting device producing method Sukekazu Aratani 2015-08-25
9105856 Organic luminescent materials, coating solution using same for organic Sukekazu Aratani, Hiroshi Sasaki 2015-08-11
8729536 Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device Sukekazu Aratani, Hiroshi Sasaki 2014-05-20
8319211 Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device Sukekazu Aratani, Hiroshi Sasaki 2012-11-27
8115388 Plasma display device Hitoshi Oaku, Choichiro Okazaki, Shin Imamura, Masaaki Komatsu 2012-02-14
7786659 Plasma display with a novel green-silicate phosphor Hitoshi Oaku, Choichiro Okazaki 2010-08-31