Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119390 | Energy amount controlling device | — | 1992-06-02 |
| 4934064 | Alignment method in a wafer prober | Nobuhito Yamaguchi, Mitsuya Sato, Takao Ukaji, Eiichi Murakami | 1990-06-19 |
| 4929893 | Wafer prober | Mitsuya Sato, Takao Ukaji, Nobuhito Yamaguchi, Eiichi Murakami | 1990-05-29 |
| 4786816 | Wafer detecting device wherein light receiver has an effective surface larger than the dimensional range covering all the wafers being detected | Hiroaki Kameyama | 1988-11-22 |