Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7518301 | Electron tubes | Yukihiko Shimizu, Masao Saito, Masahiro Nakayama, Kazushige Noguchi | 2009-04-14 |
| 6664997 | Method of driving fluorescent print head and image forming apparatus | Yukihiko Shimizu, Satoshi Yamaguchi, Yoichi Kobori, Masao Saito | 2003-12-16 |
| 6472815 | Fluorescent luminous device including cathodes that receive independently controlled voltages | Yukihiko Shimizu, Masao Saito, Satoshi Yamaguchi, Yoichi Kobori, Hiroshi Yamaguchi | 2002-10-29 |
| 6191805 | Optical printer head and optical printer | Yukihiko Shimizu, Masao Saito, Toshiaki Nakahara, Shigetaka Nakamura, Hiromichi Morishima +1 more | 2001-02-20 |
| 5933181 | Photographic recording apparatus | Yukihiko Shimizu, Yoshijiro Ushio, Masahiro Furuta, Takehiko Ueda | 1999-08-03 |
| 5907349 | Fluorescent printer head | Yukihiko Shimizu, Masao Saito | 1999-05-25 |
| 5854650 | Field emission print head | Yoichi Kobori, Yukihiko Shimizu | 1998-12-29 |
| 5847745 | Optical write element | Yukihiko Shimizu, Yoichi Kobori | 1998-12-08 |