Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734680 | Silicate-based phosphor and manufacturing method of silicate-based phosphor | Kenji Toda, Kazuyoshi Uematsu, Tadashi Ishigaki, Hideo Suda, Etsuko Minegishi +1 more | 2014-05-27 |
| 8384284 | Phosphors having high light emission luminescence | Kenji Toda, Kazuyoshi Uematsu, Tetsu Umeda, Yutaka Ito | 2013-02-26 |
| 8017039 | Fluorescent body for use in a near-ultraviolet excitation light-emitting element | Kenji Toda, Kazuyoshi Uematsu, Tetsu Umeda, Yutaka Ito | 2011-09-13 |
| 7662311 | Fluorescent substance for light-emitting diode | Kenji Toda, Kazuyoshi Uematsu, Shinichiro Kousaka, Yoshitaka Kawakami | 2010-02-16 |
| 7642520 | Method for measuring randon and thoron in air | Kazuyoshi Uematsu, Masatoshi Ota, Kenji Toda | 2010-01-05 |
| 6802990 | Fluorescent substances for vacuum ultraviolet radiation excited light-emitting devices | Kenji Toda, Keiji Ono, Susumu Miyazaki, Takashi Takeda | 2004-10-12 |
| D349496 | CD player | — | 1994-08-09 |
| 5144451 | Portable liquid-crystal TV set with a video recorder/player | Mitsuo Yamamoto | 1992-09-01 |
| 4507940 | Air conditioning apparatus of the type embedded within a ceiling | Tadaaki Kawaguchi, Yukinori Okawachi, Yasuyuki Funahashi | 1985-04-02 |