Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635307 | Thin-film electroluminescent element | Youji Takeuchi, Hiroshi Fujiyasu | 1997-06-03 |
| 5569531 | Ink ribbon | Yoshinori Yamamoto | 1996-10-29 |
| 5478381 | Ink composition | Yoshinori Yamamoto | 1995-12-26 |
| 5463212 | Latent image forming member and method of manufacturing, latent image reading apparatus and latent image reading system | Toshio Oshima, Masato Nishida, Taiji Matsumoto, Akihiko Itoh, Yoji Takeuchi | 1995-10-31 |
| 5366252 | Infrared-absorbing mark printed matter | Masato Nishida, Toshio Oshima, Takato Karashima | 1994-11-22 |
| 5210411 | Detection mark and method and apparatus for detecting mark | Toshio Oshima, Masato Nishida, Tsutomu Yamaguchi | 1993-05-11 |
| 5140252 | Method of charging secondary batteries | Masanobu Kizu, Ryo Nagai, Toshio Ohshima, Kozo Kajita | 1992-08-18 |
| 4947081 | Dual insulation oxynitride blocking thin film electroluminescence display device | Keiichiro Uenae, Souichi Ogawa, Katsumi Takiguchi, Masaaki Yoshitake | 1990-08-07 |
| 4793695 | Electrochromic display device | Shuichi Wada, Hirokazu Kidou, Akira Kawakami, Toshikatsu Manabe | 1988-12-27 |
| 4773740 | Electrochromic display device | Akira Kawakami, Toshikatsu Manabe, Shuichi Wada, Kenichi Yokoyama, Saburo Nonogaki +1 more | 1988-09-27 |
| 4737415 | Magnetic recording medium and production thereof | Minoru Ichijo, Fumio Kokai, Takashi Kubota, Kunio Wakai | 1988-04-12 |