Issued Patents 2005
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956802 | Aperture ratio measuring apparatus for optical recording medium with pre-pits | Masahiro Kato, Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu | 2005-10-18 |
| 6954418 | APPARATUS FOR ADJUSTING SIGNAL LEVELS DERIVED FROM AN OPTICAL DISC TO BECOME EQUAL TO A REFERENCE LEVEL DETERMINED FROM AT LEAST ONE OF THE SIGNAL LEVELS OF THE SIGNALS AND FOR SYNTHESIZING THE SIGNALS | Naoharu Yanagawa, Masahiro Kato, Tatsuhiro Yone, Yuko Muramatsu | 2005-10-11 |
| 6928041 | Pre-pit detecting apparatus for optical recording medium | Masahiro Kato, Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu | 2005-08-09 |
| 6914203 | Operation button structure | — | 2005-07-05 |
| 6865143 | Optical device including a calibrating unit for calibrating a level adjusting unit | Naoharu Yanagawa, Masahiro Kato, Tatsuhiro Yone, Yuko Muramatsu | 2005-03-08 |
| 6864954 | Exposure process and exposure device | — | 2005-03-08 |
| 6848276 | Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus | Yoshiaki Shimizu, Takaaki Nagano, Tadakatsu Shimada, Hideo Hirasawa, Masataka Watanabe +5 more | 2005-02-01 |
| 6850690 | Information recording apparatus, information recording and reproducing apparatus and record medium | Tadashi Noguchi, Eisaku Kawano, Jiro Endo, Eiji Muramatsu | 2005-02-01 |