YF

Yumi Fukuda

KT Kabushiki Kaisha Toshiba: 46 patents #398 of 21,451Top 2%
Overall (All Time): #62,093 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
8552437 Fluorescent substance, process for production of fluorescent substance, light-emitting device and light-emitting module Aoi Okada, Takahiro Sato, Iwao Mitsuishi, Naotoshi Matsuda, Ryosuke Hiramatsu +1 more 2013-10-08
8546824 Light emitting device Iwao Mitsuishi, Aoi Okada, Naotoshi Matsuda, Shinya Nunoue, Keiko Albessard +1 more 2013-10-01
8501039 Fluorescent material and light-emitting device employing the same Aoi Okada, Naotoshi Matsuda 2013-08-06
8491817 Luminescent material and light-emitting device Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Junichi Tatami, Katsutoshi Komeya +1 more 2013-07-23
8482192 Luminescent material and light-emitting device Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Junichi Tatami, Katsutoshi Komeya +1 more 2013-07-09
8475680 Luminescent material and light-emitting device Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Junichi Tatami, Katsutoshi Komeya +1 more 2013-07-02
8471459 Fluorescent substance and light-emitting device employing the same Masahiro Kato, Aoi Okada 2013-06-25
8471277 Light emitting device Iwao Mitsuishi, Shinya Nunoue, Takahiro Sato, Aoi Okada, Naotoshi Matsuda +3 more 2013-06-25
8450923 Luminescent material and light-emitting device Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Junichi Tatami, Katsutoshi Komeya +1 more 2013-05-28
8436527 Light emitting device Iwao Mitsuishi, Kunio Ishida, Aoi Okada, Naotoshi Matsuda, Keiko Albessard +1 more 2013-05-07
8414795 Red light-emitting fluorescent substance and light-emitting device employing the same Aoi Okada, Naotoshi Matsuda, Iwao Mitsuishi, Shinya Nunoue 2013-04-09
8414145 Light emitting device Iwao Mitsuishi, Aoi Okada, Naotoshi Matsuda, Shinya Nunoue 2013-04-09
8310145 Light emitting device including first and second red phosphors and a green phosphor Iwao Mitsuishi, Shinya Nunoue, Takahiro Sato, Aoi Okada, Naotoshi Matsuda +1 more 2012-11-13
8278821 Light emitting device Kunio Ishida, Iwao Mitsuishi, Ryosuke Hiramatsu, Keiko Albessard, Naotoshi Matsuda +2 more 2012-10-02
8105502 Luminescent material Jun-ichi Tatami, Hironori Asai, Katsutoshi Komeya, Naotoshi Matsuda, Toru Wakihara +2 more 2012-01-31
7638934 Fluorescent substance and light-emitting device Masaaki Tamatani, Hironori Asai, Naotoshi Matsuda, Ryosuke Hiramatsu, Keiko Albessard +3 more 2009-12-29
6881115 Electron emitting device and method of manufacturing the same Masahiko Yamamoto, Yoshiki Ishizuka, Hironori Asai, Koji Suzuki 2005-04-19
6626724 Method of manufacturing electron emitter and associated display Masahiko Yamamoto, Miki Mori, Hitoshi Kobayashi, Yujiro Hara, Goh Itoh +3 more 2003-09-30
6603256 Field emission type display Goh Itoh, Haruhiko Okumura, Miki Mori, Hisao Fujiwara, Yujiro Hara +4 more 2003-08-05
6563260 Electron emission element having resistance layer of particular particles Masahiko Yamamoto, Miki Mori, Hitoshi Kobayashi, Yujiro Hara, Goh Itoh +3 more 2003-05-13
5801797 Image display apparatus includes an opposite board sandwiched by array boards with end portions of the array boards being offset Atsuko Iida, Tatsuro Uchida, Akira Kinno, Masayuki Saito, Yukio Kizaki +2 more 1998-09-01