NH

Naoto Hirosaki

NS National Institute For Materials Science: 85 patents #1 of 901Top 1%
MC Mitsubishi Chemical: 16 patents #37 of 3,022Top 2%
Sharp Kabushiki Kaisha: 9 patents #1,853 of 10,731Top 20%
FU Fujikura: 8 patents #136 of 1,407Top 10%
Nissan Motor Co.: 7 patents #1,071 of 8,689Top 15%
Nichia: 6 patents #327 of 1,531Top 25%
DL Denka Company Limited: 5 patents #52 of 434Top 15%
CC Citizen Electronics Co.: 4 patents #74 of 252Top 30%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
DK Denki Kagaku Kogyo: 2 patents #165 of 655Top 30%
FU Futaba: 1 patents #137 of 292Top 50%
NS National Institute Of Material Science: 1 patents #1 of 23Top 5%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
PC Phoenix Electric Co.: 1 patents #17 of 34Top 50%
📍 Ibaraki, JP: #15 of 6,779 inventorsTop 1%
Overall (All Time): #13,657 of 4,157,543Top 1%
103
Patents All Time

Issued Patents All Time

Showing 51–75 of 103 patents

Patent #TitleCo-InventorsDate
8674388 Phosphor, method of manufacturing the same, and light-emitting device Kousuke Shioi, Yuichi Michiue 2014-03-18
8608980 Phosphor, method for producing the same and light-emitting device using the same Kousuke Shioi, Hisayuki Miki 2013-12-17
8550645 Illumination device for display device, and display device Hisayuki Miki, Kousuke Shioi 2013-10-08
8513876 Fluorescent substance, method for producing the same, and light-emitting device using the same Kousuke Shioi 2013-08-20
8508119 Phosphor and an incandescent lamp color light emitting diode lamp using the same Ken Sakuma, Koji Omichi, Naoki Kimura, Masakazu Ohashi, Daiichiro Tanaka 2013-08-13
8436525 Phosphor, production method thereof and light emitting instrument 2013-05-07
8409470 Phosphor and light-emitting equipment using phosphor Kyota Ueda, Hajime Yamamoto 2013-04-02
8398892 Phosphor, method for producing the same and light-emitting device using the same Kousuke Shioi, Hisayuki Miki 2013-03-19
8394295 Oxynitride fluorescent material and light-emitting device 2013-03-12
8206611 Phosphor and use thereof Takatoshi Seto, Naoto Kijima 2012-06-26
8148887 Light emitting diode lamp and light emitting device Ken Sakuma, Kyota Ueda, Hajime Yamamoto 2012-04-03
8147718 Oxynitride fluorescent material and light-emitting device 2012-04-03
8147715 Phosphor, process for producing the same, and luminescent device 2012-04-03
8142685 Fluorescent material, process for producing the same, and luminescent device 2012-03-27
8114313 Phosphor, process for producing the same, and luminescent device 2012-02-14
8057704 Phosphor, method for producing same, and light-emitting device Rong Xie 2011-11-15
8057705 Sialon phosphor Ken Sakuma 2011-11-15
8053970 Light emitting device and illumination device Naoki Kimura, Ryuji Suzuki, Ken Sakuma 2011-11-08
8007684 Oxynitride fluorescent material and light-emitting device 2011-08-30
8003011 β type sialon fluorescent substance Hideyuki Emoto, Masahiro Ibukiyama 2011-08-23
7947198 Phosphor and light emitting instrument 2011-05-24
7910023 Lithium-containing sialon phosphor and method of manufactring the same Rong Xie, Mamoru Mitomo, Yoshinobu Yamamoto 2011-03-22
7906040 α-Sialon, α-sialon phosphor and method for producing the same Mamoru Mitomo, Hideyuki Emoto, Masahiro Ibukiyama 2011-03-15
7892451 Phosphor Takayoshi Ezuhara, Susumu Miyazaki 2011-02-22
7846351 Fluorescent substance, process for producing the same, and luminescent device 2010-12-07