RH

Ryosuke Hiramatsu

KT Kabushiki Kaisha Toshiba: 34 patents #675 of 21,451Top 4%
TC Toshiba Materials Co.: 12 patents #16 of 197Top 9%
MU Meijo University: 2 patents #21 of 103Top 25%
TT Toshiba Lighting & Technology: 2 patents #203 of 486Top 45%
Overall (All Time): #94,098 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
11211526 Semiconductor light-emitting element Satoshi Kamiyama, Atsuya SASAKI, Hideaki Hirabayashi 2021-12-28
11211529 Semiconductor light-emitting element and method for manufacturing same Atsuya SASAKI, Hideaki Hirabayashi, Satoshi Kamiyama 2021-12-28
10711186 Phosphor, producing method thereof, and light-emitting device employing the phosphor Keiko Albessard, Kunio Ishida, Yasushi Hattori, Masahiro Kato 2020-07-14
10519368 Phosphor, manufacturing method thereof, and light-emitting device using the phosphor Jun Tamura, Kunio Ishida, Keiko Albessard, Masahiro Kato 2019-12-31
10032967 Phosphor and light-emitting device Keiko Albessard, Kunio Ishida, Yasushi Hattori, Masahiro Kato 2018-07-24
10020427 Phosphor, manufacturing method therefor, and light-emitting device using the phosphor Keiko Albessard, Naotoshi Matsuda, Masahiro Kato 2018-07-10
9954146 Phosphor, manufacturing method thereof, and light-emitting device using the phosphor Keiko Albessard, Naotoshi Matsuda, Masahiro Kato 2018-04-24
9520540 Light-emitting device with phosphor excited by blue excitation light Kunio Ishida, Keiko Albessard, Yasushi Hattori, Iwao Mitsuishi, Yumi Fukuda +2 more 2016-12-13
8974697 Luminescent material Keiko Albessard, Masahiro Kato, Yumi Fukuda, Iwao Mitsuishi, Takahiro Sato +6 more 2015-03-10
8926863 Process for producing fluorescent substance and fluorescent substance produced thereby Yumi Fukuda, Naotoshi Matsuda 2015-01-06
8907558 White light emitting device with red and green-yellow phosphor Kunio Ishida 2014-12-09
8836211 White light emitting device containing three fluorescent materials having different peak wavelengths Yasushi Hattori, Aoi Okada, Kunio Ishida, Masahiro Kato 2014-09-16
8569943 Luminescent material Iwao Mitsuishi, Naotoshi Matsuda, Yumi Fukuda, Keiko Albessard, Aoi Okada +3 more 2013-10-29
8558251 Light emitting device Iwao Mitsuishi, Yumi Fukuda, Aoi Okada, Naotoshi Matsuda, Shinya Nunoue +2 more 2013-10-15
8552437 Fluorescent substance, process for production of fluorescent substance, light-emitting device and light-emitting module Aoi Okada, Yumi Fukuda, Takahiro Sato, Iwao Mitsuishi, Naotoshi Matsuda +1 more 2013-10-08
8491817 Luminescent material and light-emitting device Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Junichi Tatami, Katsutoshi Komeya +1 more 2013-07-23
8482192 Luminescent material and light-emitting device Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Junichi Tatami, Katsutoshi Komeya +1 more 2013-07-09
8475680 Luminescent material and light-emitting device Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Junichi Tatami, Katsutoshi Komeya +1 more 2013-07-02
8471458 Light emitting device 2013-06-25
8450923 Luminescent material and light-emitting device Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Junichi Tatami, Katsutoshi Komeya +1 more 2013-05-28
8278821 Light emitting device Kunio Ishida, Iwao Mitsuishi, Yumi Fukuda, Keiko Albessard, Naotoshi Matsuda +2 more 2012-10-02
8212470 Luminescent material 2012-07-03
8124995 Semiconductor light-emitting device Yasushi Hattori, Shinji Saito, Shinya Nunoue, Iwao Mitsuishi, Naotoshi Matsuda 2012-02-28
8062550 Luminescent material 2011-11-22
8043528 Luminescent material 2011-10-25