Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7612865 | Pattern writing apparatus and pattern writing method | Katsuyuki Hisaoka | 2009-11-03 |
| 7268856 | Pattern writing apparatus and block number determining method | Katsuyuki Hisaoka | 2007-09-11 |
| 7190435 | Pattern writing apparatus and pattern writing method | — | 2007-03-13 |
| 6903798 | Pattern writing apparatus and pattern writing method | Akira Kuwabara | 2005-06-07 |
| 6859223 | Pattern writing apparatus and pattern writing method | Akira Kuwabara | 2005-02-22 |
| 6753896 | Laser drawing apparatus and laser drawing method | Akira Kuwabara | 2004-06-22 |
| 5018807 | Lens system for optical beam scanner | — | 1991-05-28 |
| 5012089 | Scanning beam control system and optical scale structure useful thereto | Yasuo Kurusu, Masamichi Cho, Shinichi Nagata, Kunio Tomohisa | 1991-04-30 |
| 4925279 | Telecentric f-.theta. lens system | — | 1990-05-15 |