Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6757421 | Method and apparatus for detecting defects | — | 2004-06-29 |
| 5404163 | In-focus detection method and method and apparatus using the same for non contact displacement measurement | — | 1995-04-04 |
| 5097220 | Circuit for demodulating PSK modulated signal by differential-defection | Yukihiro Shimakata | 1992-03-17 |
| 5067007 | Semiconductor device having leads for mounting to a surface of a printed circuit board | Kanji Otsuka, Masao Kato, Takashi Kumagai, Mitsuo Usami, Shigeo Kuroda +7 more | 1991-11-19 |