HT

Hiroaki TOYOSHIMA

DL Denka Company Limited: 6 patents #34 of 434Top 8%
IC Idemitsu Kosan Co.: 5 patents #272 of 1,237Top 25%
JO Joled: 1 patents #250 of 392Top 65%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
Overall (All Time): #434,190 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12256579 Phosphor, method of producing phosphor, light-emitting element, light-emitting device, and image display apparatus Mitsuru Kawagoe 2025-03-18
12006459 Phosphor powder and light emitting device Hiroki Banno 2024-06-11
11952520 Method for manufacturing phosphor powder, phosphor powder, and light emitting device Hiroki Banno 2024-04-09
11856808 Organic electroluminescent element and electronic device drivable at low voltage with improved lifetime Masato Nakamura, Emiko Kambe, Kazuki Nishimura, Hitoshi Kuma 2023-12-26
11575087 Organic electroluminescence device, light emitting device, organic electroluminescence display device and electronic device Kazuki Nishimura, Emiko Kambe, Masato Nakamura, Tetsuya Masuda, Yusuke Takahashi 2023-02-07
11552259 Organic electroluminescent element and electronic device Satomi TASAKI, Kazuki Nishimura 2023-01-10
11489128 Organic electroluminescent element emitting light at high luminous effiency and electronic device Satomi TASAKI, Kazuki Nishimura, Tasuku HAKETA, Ryoji Maeda, Yuki Nakano 2022-11-01
11279876 Phosphor and light-emitting device using same Ryo Yoshimatsu, Taiyo YAMAURA, Masato Akabane, Naoto Hirosaki 2022-03-22
10833281 Organic electroluminescence composition, material for organic electroluminescence element, solution of material for organic electroluminescence element, and organic electroluminescence element Hironori Kawakami, Masakazu Funahashi, Tadahiko Yoshinaga 2020-11-10
10093854 Phosphor and light emitting device Ryo Yoshimatsu 2018-10-09
9309460 Phosphor, method for producing same, and use of same Hideyuki Emoto 2016-04-12