Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40330 | Optical recording medium, reproducing system, method of reproducing optical disk, method of fabricating optical disk original record, and method of stopping illegal program operation | Mitsuaki Oshima | 2008-05-20 |
| 6985425 | Electron beam recorder and method thereof | Masahiko Tsukuda, Kazuhiro Hayashi | 2006-01-10 |
| 6352656 | Manufacturing method for metallic stamper and metallic stamper and, manufacturing method for optical disk substrate with the use of the stamper and optical disk fabricated by the manufacturing method | Tadashi Kimura | 2002-03-05 |
| 6285638 | Disk and disk recording apparatus | Shinichi Konishi | 2001-09-04 |
| 6163521 | Disk having read-only and read-write areas | Shinichi Konishi | 2000-12-19 |
| 5807640 | Optical recording medium, reproducing system, method of reproducing optical disk, method of fabricating optical disk original record, and method of stopping illegal program operation | Mitsuaki Oshima | 1998-09-15 |
| 5350499 | Method of producing microscopic structure | Narito Shibaike, Michiyoshi Nagashima, Toshinori Kishi | 1994-09-27 |
| 5268056 | Plasma surface treating method and apparatus | Toshinori Kishi, Michiyoshi Nagashima, Taro Nambu, Hiroyuki Ogawa | 1993-12-07 |
| 5268886 | Method and apparatus for reproducing signals using an optical disk having V-shaped grooves | Michiyoshi Nagashima, Toshinori Kishi | 1993-12-07 |
| 5221416 | Plasma surface treating method | Toshinori Kishi, Michiyoshi Nagashima, Taro Nambu, Hiroyuki Ogawa | 1993-06-22 |
| 5134604 | Combination optical data medium with multiple data surfaces and cassette therefor | Michiyoshi Nagashima, Hiroyuki Ogawa, Toshinori Kishi, Taro Nambu | 1992-07-28 |