Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5707747 | Amine compound and electro-luminescence device comprising same | Hiromitsu Tomiyama, Masahiko Oshino, Ikuko Ihara, Naoko Nakanishi, Mutsumi Suzuki +2 more | 1998-01-13 |
| 5268056 | Plasma surface treating method and apparatus | Toshinori Kishi, Michiyoshi Nagashima, Fumiaki Ueno, Hiroyuki Ogawa | 1993-12-07 |
| 5221416 | Plasma surface treating method | Toshinori Kishi, Michiyoshi Nagashima, Fumiaki Ueno, Hiroyuki Ogawa | 1993-06-22 |
| 5134604 | Combination optical data medium with multiple data surfaces and cassette therefor | Michiyoshi Nagashima, Fumiaki Ueno, Hiroyuki Ogawa, Toshinori Kishi | 1992-07-28 |