Issued Patents All Time
Showing 1–25 of 32 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, Tomoko Kumasawa, Makio Kurashige, Akiko Kitamura, Mitsuru Kitamura +1 more | 2015-04-07 |
| 8982288 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masanori Umeya, Koji Eto, Tsuyoshi Yamauchi | 2015-03-17 |
| 8941904 | Hologram sheet and hologram observation sheet using same, and blinding device | Koji Eto, Yasuyuki Oyagi, Mitsuru Kitamura | 2015-01-27 |
| 8808945 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masanori Umeya, Koji Eto, Tsuyoshi Yamauchi | 2014-08-19 |
| 8743443 | Hologram fabrication process, and hologram fabricated by that process | Tomoko Kumasawa, Makio Kurashige, Mitsuru Kitamura | 2014-06-03 |
| 8642231 | Hologram fabrication process and fabricated hologram | Tsuyoshi Yamauchi, Kenji Ueda | 2014-02-04 |
| 8481232 | Laser marking hologram having a volume hologram with interference fringes using selective irradiation | Kenji Ueda, Hiroyuki Ohtaki | 2013-07-09 |
| 8289595 | Hologram and its holographic process | Tsuyoshi Yamauchi, Tomoko Kumasawa | 2012-10-16 |
| 8227148 | Hologram fabrication process and fabricated hologram | Tsuyoshi Yamauchi, Kenji Ueda | 2012-07-24 |
| 8134660 | Optical diffusion device, projection screen, design member and security medium | Masanori Umeya, Minoru Azakami | 2012-03-13 |
| 8081358 | Laser marking hologram having a volume hologram with interference fringes using selective irradiation | Kenji Ueda, Hiroyuki Ohtaki | 2011-12-20 |
| 7995256 | Transparent card with hologram, and apparatus for recognizing transparent card with hologram | Mitsuru Kitamura | 2011-08-09 |
| 7909364 | Indicator for indicating authenticity | Masanori Umeya, Minoru Azakami, Tsuyoshi Yamauchi, Koji Eto | 2011-03-22 |
| 7719762 | Transmitting-reflecting projection screen, and projection system comprising the same | Tomoko Kumasawa, Masanori Umeya, Tsuyoshi Yamauchi | 2010-05-18 |
| 7710622 | Color hologram display and its fabrication process | Emi Takabayashi, Daijiro Kodoma | 2010-05-04 |
| 7706037 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masanori Umeya, Koji Eto, Tsuyoshi Yamauchi | 2010-04-27 |
| 7652710 | Camera with photometric function and optical element for camera | Yasuyuki Oyagi, Norihisa Moriya, Toru Iwane | 2010-01-26 |
| 7598025 | Hologram silver halide photographic material, hologram and method for producing the same | Kenji Michiue, Tomonobu Moriya, Masashi Iwasaki, Toshihiro Kubota, Tsuyoshi Yamauchi +2 more | 2009-10-06 |
| 7545545 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masanori Umeya, Koji Eto, Tsuyoshi Yamauchi | 2009-06-09 |
| 7538919 | Three-dimensional hologram process with overt anti-counterfeit security using first object light, second object light, and reference light | Tsuyoshi Yamauchi, Tomoko Kumasawa | 2009-05-26 |
| 7268926 | Hologram laminate and hologram label | Miwa Ishimoto, Hiroyuki Ohtaki, Kenji Ueda | 2007-09-11 |
| 7215451 | Reflection type diffuse hologram, hologram for reflection hologram color filters, etc., and reflection type display device using such holograms | Shingo Nishikawa, Kenji Ueda, Toshikazu Segawa, Tsuyoshi Hotta, Yuko Kuwabara | 2007-05-08 |
| 7154647 | Color hologram display and its fabrication process | Emi Takabayashi, Daijiro Kodama | 2006-12-26 |
| 7085024 | Hologram laminate and hologram label | Miwa Ishimoto, Hiroyuki Ohtaki, Kenji Ueda | 2006-08-01 |
| 6836347 | Viewing optical system and image pickup optical system and apparatus using the same | Takahiro Amanai, Tetsuhide Takeyama | 2004-12-28 |