Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633531 | Optical disk drive | Mastoshi Hirono, Masayuki Sekimura, Makoto Asakura, Takao Ohmi, Yasuo Motegi +1 more | 2003-10-14 |
| 5946282 | Optical recording/reproducing apparatus | Masatoshi Hirono | 1999-08-31 |
| 5905699 | Focusing apparatus and optical disk apparatus using the same | — | 1999-05-18 |
| 5883385 | Multibeam scanning method and apparatus with positional adjustment features | Masaki Takahashi, Manabu Mikami | 1999-03-16 |
| 5299251 | Exposure apparatus | Nobutaka Kikuiri, Takahiro Murata | 1994-03-29 |
| 5151754 | Method and an apparatus for measuring a displacement between two objects and a method and an apparatus for measuring a gap distance between two objects | Ryoichi Hirano, Jun Nishida | 1992-09-29 |
| 5100234 | Method and apparatus for aligning two objects, and method and apparatus for providing a desired gap between two objects | Ryoichi Hirano, Kyoji Yamashita | 1992-03-31 |
| 4988197 | Method and apparatus for aligning two objects, and method and apparatus for providing a desired gap between two objects | Ryoichi Hirano, Kyoji Yamashita | 1991-01-29 |
| 4848911 | Method for aligning first and second objects, relative to each other, and apparatus for practicing this method | Norio Uchida, Masayuki Masuyama | 1989-07-18 |
| 4838693 | Method and apparatus for setting a gap between first and second objects to a predetermined distance | Norio Uchida, Ryoichi Hirano, Masayuki Masuyama, Hiroaki Shimozono | 1989-06-13 |