Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7046406 | Hologram plate and its fabrication process | Keiko Sekine, Hiroshi Kishimoto, Yoichi Higuchi, Nobuhiko Ichikawa, Tadatsugu Onuma | 2006-05-16 |
| 6842272 | Hologram plate and its fabrication process | Keiko Sekine, Hiroshi Kishimoto, Yoichi Higuchi, Nobuhiko Ichikawa, Tadatsugu Onuma | 2005-01-11 |
| 6714329 | Hologram plate and its fabrication process | Keiko Sekine, Hiroshi Kishimoto, Yoichi Higuchi, Nobuhiko Ichikawa, Tadatsugu Onuma | 2004-03-30 |
| 6266166 | Self-adhesive film for hologram formation, dry plate for photographing hologram, and method for image formation using the same | Kenji Ueda, Yasuyuki Oyagi | 2001-07-24 |