Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6266192 | Projection exposure apparatus and device manufacturing method | Yoshiyuki Sekine | 2001-07-24 |
| 4977426 | Projection exposure apparatus | — | 1990-12-11 |
| 4891663 | Projection exposure apparatus | — | 1990-01-02 |
| 4811055 | Projection exposure apparatus | — | 1989-03-07 |
| 4701035 | Reflection optical system | — | 1987-10-20 |
| 4688904 | Reflecting optical system | Akiyoshi Suzuki | 1987-08-25 |
| 4685777 | Reflection and refraction optical system | — | 1987-08-11 |
| 4463384 | Television camera | Kenji Fujikawa | 1984-07-31 |
| 4364642 | Zoom element focusable zoom lens | Kazuo Tanaka | 1982-12-21 |
| 4259688 | TV camera | Mitsuhiro Tokuhara, Tetsuo Sueda, Kazuo Tanaka | 1981-03-31 |