Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5986760 | Shape measurement method and high-precision lens manufacturing process | Shigeru Nakayama, Tetsuji Onuki, Masami Ebi, Hajime Ichikawa | 1999-11-16 |
| 5774240 | Exposure apparatus for reproducing a mask pattern onto a photo-sensitive surface of a substrate using holographic techniques | Akihiro Goto, Yutaka Ichihara, Nobutaka Magome, Naomasa Shiraishi, Toshio Matsuura +2 more | 1998-06-30 |
| 5528390 | Exposure apparatus for reproducing a mask pattern onto a photo-sensitive surface of a substrate using holographic techniques | Akihiro Goto, Yutaka Ichihara, Nobutaka Magome, Naomasa Shiraishi, Toshio Matsuura +2 more | 1996-06-18 |