Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7604752 | Phosphor and fluorescent luminous tube | Tomohiro Yamada, Masahiro Kato, Tadaomi Mori | 2009-10-20 |
| 7446465 | Multi color luminous fluorescent display device | Takuya Hamada, Tomohiro Yamada, Masahiro Kato | 2008-11-04 |
| 7205711 | Fluorescent display device and phosphor paste | Takuya Hamada, Masahiro Kato, Tomohiro Yamada, Kazunori Kitagawa | 2007-04-17 |
| 6761836 | Phosphor and flourescent display device | Takuya Hamada, Kazunori Kitagawa | 2004-07-13 |
| 6690119 | Phosphor, method for preparing phosphor layer and vacuum fluorescent display | Takuya Hamada, Kazunori Kitagawa | 2004-02-10 |
| 6673269 | Phosphor material and its method of manufacture | Tomokazu Suzuki, Takuya Hamada, Kazunori Kitagawa | 2004-01-06 |
| 6531072 | Phosphor | Yoriko Suda, Kenichi Honda, Yoshitaka Sato | 2003-03-11 |
| 6410895 | Induction heating coil unit for manifold in hot runner mold | Itsuo Shibata, Shinichi Edagawa, Ryoichi Sekiguchi, Tamotsu Munakata | 2002-06-25 |
| 6337035 | Phosphor and method for producing same | Shigeo Itoh | 2002-01-08 |
| 6310333 | Induction heating method for manifold in hot runner mold | Itsuo Shibata, Shinichi Edagawa, Ryoichi Sekiguchi, Tamotsu Munakata | 2001-10-30 |
| 6303403 | Method for preparing gallium nitride phosphor | Yoshitaka Sato, Yoriko Suda, Fumiaki Kataoka, Yuji Nomura | 2001-10-16 |
| 6234783 | Injection molding nozzle | Itsuo Shibata, Shigeo Wada, Hiroyuki Iida | 2001-05-22 |
| 6168729 | Fluorescent material and fluorescent display device | Fumiaki Kataoka, Shigeo Itoh, Yoshitaka Sato | 2001-01-02 |
| 6163108 | Fluorescent luminous device | Shigeo Itoh | 2000-12-19 |
| 6113807 | Phosphor and method for producing same | Tatsuo Yamaura, Shigeo Itoh, Vladimir Zalmanovich Mordkovich | 2000-09-05 |
| 6103142 | Phosphor and display device | Shigeo Itoh | 2000-08-15 |
| 5976412 | Fluorescent material | Shigeo Itoh, Yoshitaka Kagawa, Yoshitaka Sato, Hisashi Kanie | 1999-11-02 |
| 5858278 | Phosphor and method for producing same | Shigeo Itoh, Fumiaki Kataoka, Hisashi Kanie | 1999-01-12 |
| 5804098 | Low-velocity electron excited phosphor | Yoshitaka Satoh, Fumiaki Kataoka, Shigeo Itoh | 1998-09-08 |
| 5789856 | Fluorescent display device with blue filter | Shigeo Itoh, Tatsuo Yamaura, Yukio Ogawa, Teruo Watanabe | 1998-08-04 |
| 5746589 | Phosphor heat-transfer method and apparatus therefor | Shigeo Itoh, Yoshihisa Yonezawa, Yoshitaka Satoh | 1998-05-05 |
| 5723224 | Phosphorescent material | Yoshihisa Yonezawa, Yoshitaka Kagawa | 1998-03-03 |
| 5619098 | Phosphor and fluorescent display device | Shigeo Itoh, Fumiaki Kataoka | 1997-04-08 |
| 5558814 | Phosphor and method for preparing same | Shigeo Itoh, Yoshihisa Yonezawa | 1996-09-24 |
| 5520847 | Low-velocity electron excited phosphor | Yoshitaka Satoh, Fumiaki Kataoka, Shigeo Itoh | 1996-05-28 |