Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12189163 | Light modulation element and information recording medium | Mitsuru Kitamura, Tomoe Sato | 2025-01-07 |
| 11703798 | Light modulation element and information recording medium | Mitsuru Kitamura, Nobuko Oikawa | 2023-07-18 |
| 11014390 | Luminescent medium and method for reading luminescent medium | Yuko Aoyama, Jun Sato, Mitsuru Kitamura | 2021-05-25 |
| 10656597 | Authenticity determination device and method for security medium including reflective volume hologram, and security medium including reflective volume hologram | Mitsuru Kitamura, Koji Eto, Nobuko Oikawa, Tomoe Sato | 2020-05-19 |
| 10419639 | Image reading apparatus that calculates correction values for correcting outputs of light receiving elements, and shading correcting method for correcting an image reading apparatus | Yoshiaki Watanabe, Shigeru Kawasaki | 2019-09-17 |
| 10359735 | Display article | Tomoe Sato, Mitsuru Kitamura, Koji Eto, Nobuko Oikawa | 2019-07-23 |
| 10136009 | Image reading apparatus | — | 2018-11-20 |
| 9452631 | Light-emitting medium | Yoko Sekine, Manabu Yamamoto, Mitsuru Kitamura, Akiko Kitamura, Sakurako Hatori | 2016-09-27 |
| 9383648 | Anti-counterfeiting marker sheet and manufacturing method therefor, anti-counterfeiting function-imparting member, and article provided with anti-counterfeiting function | Yoko Sekine, Mitsuru Kitamura | 2016-07-05 |
| 9223235 | Fine particles, particle group, anti-counterfeiting ink, anti-counterfeiting toner, anti-counterfeiting sheet, and anti-counterfeiting medium | Mitsuru Kitamura, Manabu Yamamoto, Akiko Kitamura, Yoko Sekine | 2015-12-29 |
| 9127181 | Taggant particle group; and anti-counterfeit ink, anti-counterfeit toner, anti-counterfeit sheet, and anti-counterfeit medium comprising same | Mitsuru Kitamura, Manabu Yamamoto, Akiko Kitamura, Yoko Sekine | 2015-09-08 |
| 9028929 | Light-emitting medium | Yoko Sekine, Manabu Yamamoto, Mitsuru Kitamura, Akiko Kitamura, Sakurako Hatori | 2015-05-12 |
| 9001401 | Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that process | Masachika Watanabe, 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 | Masachika Watanabe, Masanori Umeya, Koji Eto | 2015-03-17 |
| 8830547 | Authentication hologram, and its fabrication process | Jun Sato | 2014-09-09 |
| 8808945 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masachika Watanabe, Masanori Umeya, Koji Eto | 2014-08-19 |
| 8642231 | Hologram fabrication process and fabricated hologram | Kenji Ueda, Masachika Watanabe | 2014-02-04 |
| 8523238 | Light-emitting medium and method of confirming light-emitting medium | Yoko Sekine, Manabu Yamamoto, Mitsuru Kitamura, Akiko Kitamura, Sakurako Hatori | 2013-09-03 |
| 8456722 | Forgery prevention medium with a volume hologram layer and information layer in different colors | Mitsuru Kitamura, Makio Kurashige, Tomoki YASUDA | 2013-06-04 |
| 8289595 | Hologram and its holographic process | Masachika Watanabe, Tomoko Kumasawa | 2012-10-16 |
| 8289587 | Image reading apparatus | — | 2012-10-16 |
| 8227148 | Hologram fabrication process and fabricated hologram | Kenji Ueda, Masachika Watanabe | 2012-07-24 |
| 8129707 | Semiconductor integrated circuit device | Norikatsu Takaura, Hideyuki Matsuoka, Motoyasu Terao, Kenzo Kurotsuchi | 2012-03-06 |
| 8081356 | Image reading apparatus | — | 2011-12-20 |
| 8018628 | Image reading apparatus | Naho Kurokawa | 2011-09-13 |