Issued Patents 2004
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828568 | Process for testing of fluophors and device for carrying out the process | Sayu Yamada | 2004-12-07 |
| 6801488 | Pre-pit detecting apparatus for optical recording medium | Masahiro Kato, Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu | 2004-10-05 |
| 6799905 | Lens protector | — | 2004-10-05 |
| 6779362 | Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod | Yoshiaki Shimizu, Takaaki Nagano, Tadakatsu Shimada, Hideo Hirasawa, Masataka Watanabe +5 more | 2004-08-24 |
| 6735986 | Apparatus for preventing redeposition of silica during flame severing | Hideo Hirasawa, Tadakatsu Shimada | 2004-05-18 |
| 6724530 | Polarized light illuminator with a polarized light beam splitter | Shinichi Umemoto | 2004-04-20 |
| 6718127 | Heating device of the light irradiation type | — | 2004-04-06 |
| 6712643 | Electronic equipment | — | 2004-03-30 |
| 6680890 | Information recording apparatus | Masayoshi Yoshida, Ichiro Higuchi, Hiroshi Suzuki | 2004-01-20 |