Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38321 | Transparent hologram seal | Haruo Uyama, Takahiro Harada, Mitsuru Kano, Kazuhisa Hoshino, Satoshi Kitamura +2 more | 2003-11-18 |
| 6096431 | Biodegradable cards | Toshibumi Imai, Li Han Sen, Masayuki Taniguchi | 2000-08-01 |
| 5700550 | Transparent hologram seal | Haruo Uyama, Takahiro Harada, Mitsuru Kano, Kazuhisa Hoshino, Satoshi Kitamura +2 more | 1997-12-23 |
| 5486933 | Monochromatic-light reproduction type hologram, and method and apparatus for its image reproduction | Naoaki Shindo, Takehide Kita, Akihiko Kobayashi, Yoshiaki Tada, Takashi Sato +1 more | 1996-01-23 |
| 4448493 | Electrochromic display device | Kaneki Yoshida, Kenzo Fukuyoshi, Kiyoshi Masui | 1984-05-15 |