Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835432 | Optical disc and method for manufacturing the optical disc | Shinya Abe | 2004-12-28 |
| 6836358 | Microscope illumination optical system | Kenichi Kusaka | 2004-12-28 |
| 6831798 | APPARATUS AND METHOD FOR REPRODUCING FIRST PARTIAL INFORMATION AND READING SECOND PARTIAL INFORMATION, WHICH PERMIT CONTINUOUS REPRODUCTION OF INFORMATION, INFORMATION RECORDING MEDIUM, AND REPRODUCTION PROGRAM | — | 2004-12-14 |
| 6743320 | Method and apparatus of optical information recording medium, and optical information recording medium | Kazuya Hisada, Eiji Ohno | 2004-06-01 |
| 6743527 | Optical disk, method for producing the same, and apparatus for producing the same | Kazuya Hisada, Kazuo Inoue, Eiji Ohno | 2004-06-01 |
| 6716490 | Method for making enameled steel sheet | Masao Taguchi, Yasumasa Fukushima, Masato Takagi, Shinichi Noma | 2004-04-06 |