Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622634 | Method of manufacturing electron-emitting device, electron source and image-forming apparatus | Takashi Noma, Fumio Kishi, Hisaaki Kawade, Toshikazu Ohnishi, Michiyo Nishimura +3 more | 1997-04-22 |
| 5158859 | Optical recording medium | Hiroyuki Imatake, Mizuho Hiraoka, Yoshihiro Ogawa, Hitoshi Yoshino, Sachiko Ichikawa | 1992-10-27 |
| 5026623 | Optical recording medium | Hiroyuki Imataki, Mizuho Hiraoka, Yoshihiro Ogawa, Hitoshi Yoshino, Sachiko Ichikawa | 1991-06-25 |