Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8289384 | Electron beam displacement measuring method, electron beam displacement measuring device, and electron beam recording apparatus | — | 2012-10-16 |
| 7965606 | Information recording method and information recording apparatus | — | 2011-06-21 |
| 7473910 | Electron beam lithography apparatus | — | 2009-01-06 |
| 7276692 | Beam adjusting sample, beam adjusting method and beam adjusting device | Masahiro Katsumura, Yasumitsu Wada, Hiroaki Kitahara | 2007-10-02 |
| 7200095 | Method and apparatus for measuring a minute pitch | Osamu Kasono | 2007-04-03 |
| 6996043 | Optical head apparatus | Osamu Kasono, Yasumitsu Wada | 2006-02-07 |
| 6954273 | Laser-based measuring apparatus for measuring an axial run-out in a cylinder of rotation and method for measuring the same utilizing opposing incident measuring light beams | Hiroaki Kitahara, Yasumitsu Wada | 2005-10-11 |
| 6414916 | Recording apparatus of master discs of optical discs | — | 2002-07-02 |
| 5686941 | Information recording apparatus having a vacuum system | — | 1997-11-11 |
| 5447969 | Polyurethane composition | Akihiko Yoshizato | 1995-09-05 |
| 5446722 | Information recording apparatus having magnetic shield means | Yasumitsu Wada, Masahiro Katsumura | 1995-08-29 |
| 5281978 | Object carriage system | Yasumitsu Wada | 1994-01-25 |