CO

Choichiro Okazaki

HI Hitachi: 14 patents #2,889 of 28,497Top 15%
Overall (All Time): #353,465 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8115388 Plasma display device Hirotaka Sakuma, Hitoshi Oaku, Shin Imamura, Masaaki Komatsu 2012-02-14
7994717 Plasma display panel and plasma display apparatus using the same Kenji Okishiro, Keizo Suzuki, Tatsuya Miyake 2011-08-09
7871542 Plasma display device, luminescent device and image and information display system using the same Masatoshi Shiiki, Teruki Suzuki 2011-01-18
7786659 Plasma display with a novel green-silicate phosphor Hitoshi Oaku, Hirotaka Sakuma 2010-08-31
7781973 Plasma display panel having laminated members and visible light reflection layer Tatsuya Miyake, Keizo Suzuki, Masatoshi Shiiki, Tsuyoshi Fujita, Seiichi Tsuchida 2010-08-24
7605540 Plasma display panels and plasma display devices which use the panel Masatoshi Shiiki, Keizo Suzuki, Kenichi Yamamoto 2009-10-20
7221083 Light emitting device Hitoshi Oaku, Masatoshi Shiiki 2007-05-22
7138965 Plasma display device, luminescent device and image and information display system using the same Masatoshi Shiiki, Teruki Suzuki 2006-11-21
7005197 Light source and display using the same Masatoshi Shiiki, Teruki Suzuki, Shin Imamura, Masaaki Komatsu, Hiromichi Yamada 2006-02-28
6838825 Adjustment of luminance balance of red, green and blue light emissions for plasma display by using different sized areas of phosphor layers producing corresponding colors Masatoshi Shiiki, Teruki Suzuki, Keizo Suzuki, Tadashi Furukawa, Masaji Ishigaki 2005-01-04
6762551 White light source and display apparatus using the same Masatoshi Shiiki, Masaaki Komatsu, Shin Imamura, Teruki Suzuki 2004-07-13
6617788 Phosphor and display device or light source using the same Masatoshi Shiiki, Teruki Suzuki 2003-09-09
6590333 Rare earth phospho-vanadate phosphors, display system and light emitting system Teruki Suzuki, Masatoshi Shiiki, Tadashi Furukawa 2003-07-08
6411032 Adjustment of luminance balance of red, green and blue light emissions for plasma display by using different sized areas of phosphor layers producing corresponding colors Masatoshi Shiiki, Teruki Suzuki, Keizo Suzuki, Tadashi Furukawa, Masaji Ishigaki 2002-06-25