Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8436527 | Light emitting device | Iwao Mitsuishi, Kunio Ishida, Yumi Fukuda, Aoi Okada, Naotoshi Matsuda +1 more | 2013-05-07 |
| 8278821 | Light emitting device | Kunio Ishida, Iwao Mitsuishi, Ryosuke Hiramatsu, Yumi Fukuda, Naotoshi Matsuda +2 more | 2012-10-02 |
| 8105502 | Luminescent material | Yumi Fukuda, Jun-ichi Tatami, Hironori Asai, Katsutoshi Komeya, Naotoshi Matsuda +2 more | 2012-01-31 |
| 7638934 | Fluorescent substance and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Naotoshi Matsuda, Ryosuke Hiramatsu +3 more | 2009-12-29 |
| 7250926 | Method of driving flat display apparatus and driving system | Koji Suzuki, Masahiko Yamamoto | 2007-07-31 |
| 6156993 | Heat treatment method and apparatus using thermal plasma, and heat treated substance produced thereby | Yoshiaki Inoue, Seiji Yokota, Akira Terajima, Kazuhiro Kawasaki, Masaaki Tamatani +3 more | 2000-12-05 |
| 6080954 | Heat treatment method and apparatus using thermal plasma, and heat treated substance produced thereby | Yoshiaki Inoue, Seiji Yokota, Akira Terajima, Kazuhiro Kawasaki, Masaaki Tamatani +3 more | 2000-06-27 |
| 6081069 | Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen | Naotoshi Matsuda, Masaaki Tamatani, Miwa Okumura, Takeshi Takahara, Takeo Itou | 2000-06-27 |
| 6069439 | Phosphor material, method of manufacturing the same and display device | Naotoshi Matsuda, Masaaki Tamatani, Miwa Okumura | 2000-05-30 |
| 5893999 | Ultrafine inorganic phosphor, specifically binding material labeled with this phosphor, and detection method using this specific binding material | Masaaki Tamatani, Hirotami Koike, Miwa Okumura, Naotoshi Matsuda | 1999-04-13 |
| 5851428 | Phosphor and manufacturing method thereof | Naotoshi Matsuda, Masaaki Tamatani, Miwa Okumura, Kazuhiro Kawasaki, Seiji Yokota +2 more | 1998-12-22 |
| 5814932 | Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen | Naotoshi Matsuda, Masaaki Tamatani, Miwa Okumura, Takeshi Takahara, Takeo Itou | 1998-09-29 |
| 5811924 | Fluorescent lamp | Miwa Okumura, Naotoshi Matsuda, Masaaki Tamatani, Fusayoshi Kido, Iwao Mitsuishi | 1998-09-22 |
| 5808409 | Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen | Naotoshi Matsuda, Masaaki Tamatani, Miwa Okumura, Takeshi Takahara, Takeo Itou | 1998-09-15 |
| 5644193 | Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen | Naotoshi Matsuda, Masaaki Tamatani, Miwa Okumura, Takeshi Takahara, Takeo Itou | 1997-07-01 |