Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9656240 | Water-trapping agent and organoelectronic device comprising the same | Satoshi Tanaka, Shigeru Hieda, Youhei Fujimura | 2017-05-23 |
| 7521864 | Electron device with ring-less getter, method for affixing ring-less getter, and method for activating the same | Shogo Ishige, Yukio Ogawa | 2009-04-21 |
| 7397185 | Electron tube and a method for manufacturing same | Yukio Ogawa, Shogo Ishige | 2008-07-08 |
| 7298073 | Electron tube with stepped fixing portion | Yasuhiro Nohara, Hiroaki Kawasaki | 2007-11-20 |
| 7176613 | Electron tube having linear members | Yukio Ogawa, Yasuhiro Nohara | 2007-02-13 |
| 7157841 | Electron tube having linear damper | Yasuhiro Nohara, Hiroaki Kawasaki | 2007-01-02 |
| 7002288 | Electron tube and method for producing the same | Yukio Ogawa, Hiroaki Kawasaki, Yasuhiro Nohara, Yoshikazu Iidaka | 2006-02-21 |
| 6979949 | Fluorescent luminous tube with getter mirror film | Yukio Ogawa, Shogo Ishige | 2005-12-27 |
| 6856085 | Fluorescent luminous tube having specific support structure for wire shaped member | Yukio Ogawa, Hiroaki Kawasaki | 2005-02-15 |
| 6838822 | Electron tube with a ring-less getter | Yukio Ogawa, Shogo Ishige | 2005-01-04 |
| 6812643 | Fluorescent luminous tube | Hiroaki Kawasaki, Yukio Ogawa, Katsumi Takayama | 2004-11-02 |
| 6798149 | Fluorescent luminous tube and method for producing same | Hiroyuki Suzuki, Katsutoshi Iida, Yukio Ogawa | 2004-09-28 |
| 6717350 | Electron tube and method of manufacturing the same | Yukio Ogawa, Yasuhiro Nohara, Hiroaki Kawasaki | 2004-04-06 |
| 6710536 | Display device using filament | Yukio Ogawa, Kazuyoshi Ishikawa, Katsutoshi Kogo, Satoshi Yoshimura | 2004-03-23 |
| 6509693 | Filament for fluorescent display device | Yukio Ogawa, Kazuyoshi Ishikawa, Katsutoshi Kogo, Satoshi Yoshimura | 2003-01-21 |
| 5994008 | Composition for forming fluorescent film for display and method of forming fluorescent film for display | Yukio Ogawa, Katsutoshi Kougo, Kazuyoshi Ishikawa, Shigeo Itoh, Tetsuaki Tochizawa +3 more | 1999-11-30 |
| 5746589 | Phosphor heat-transfer method and apparatus therefor | Shigeo Itoh, Hitoshi Toki, Yoshitaka Satoh | 1998-05-05 |
| 5723224 | Phosphorescent material | Hitoshi Toki, Yoshitaka Kagawa | 1998-03-03 |
| 5558814 | Phosphor and method for preparing same | Shigeo Itoh, Hitoshi Toki | 1996-09-24 |
| 5510154 | Low-velocity electron excited phosphor and method for producing same | Shigeo Itoh, Hitoshi Toki | 1996-04-23 |
| 5497047 | Fluorescent display device | Hisashi Nakata, Yasuhiro Nohara | 1996-03-05 |
| 5347133 | Powder agitator | Hitoshi Toki, Shigeo Itoh | 1994-09-13 |