Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9001401 | Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that process | Tsuyoshi Yamauchi, Masachika Watanabe, Makio Kurashige, Akiko Kitamura, Mitsuru Kitamura +1 more | 2015-04-07 |
| 8743443 | Hologram fabrication process, and hologram fabricated by that process | Makio Kurashige, Mitsuru Kitamura, Masachika Watanabe | 2014-06-03 |
| RE44890 | Authenticity indicator | — | 2014-05-13 |
| 8289595 | Hologram and its holographic process | Tsuyoshi Yamauchi, Masachika Watanabe | 2012-10-16 |
| 7940436 | Authenticity indicator | — | 2011-05-10 |
| 7719762 | Transmitting-reflecting projection screen, and projection system comprising the same | Masanori Umeya, Masachika Watanabe, Tsuyoshi Yamauchi | 2010-05-18 |
| 7598025 | Hologram silver halide photographic material, hologram and method for producing the same | Kenji Michiue, Tomonobu Moriya, Masashi Iwasaki, Toshihiro Kubota, Masachika Watanabe +2 more | 2009-10-06 |
| 7538919 | Three-dimensional hologram process with overt anti-counterfeit security using first object light, second object light, and reference light | Tsuyoshi Yamauchi, Masachika Watanabe | 2009-05-26 |