Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914104 | Process for polymerization of α-olefin | — | 2005-07-05 |
| 6611094 | Double-faced vacuum fluorescent display device and method for driving same | Yukio Ogawa, Kazuyoshi Ishikawa, Yoshikazu Iidaka, Hiroaki Kawasaki | 2003-08-26 |
| 6522062 | Fluorescent display device and method for driving same | Yukio Ogawa, Kazuyoshi Ishikawa, Hiroaki Kawasaki | 2003-02-18 |
| 6501229 | Graphic fluorescent display device | Yukio Ogawa, Kazuyoshi Ishikawa, Hiroaki Kawasaki | 2002-12-31 |
| 5994008 | Composition for forming fluorescent film for display and method of forming fluorescent film for display | Yukio Ogawa, Yoshihisa Yonezawa, Kazuyoshi Ishikawa, Shigeo Itoh, Tetsuaki Tochizawa +3 more | 1999-11-30 |