Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081960 | Interferometer, exposure apparatus, exposure method and interference length measurement method | Yasuhiro Hidaka | 2006-07-25 |
| 6326448 | Soft intraocular lens material | Tatsuya Ojio, Kazuharu Niwa | 2001-12-04 |
| 6258299 | Device for molding ophthalmic lens material and method of molding therewith | Keiji Yamashita, Tatsuya Ojio | 2001-07-10 |
| 6159242 | Intraocular lens having support member fixed in hole formed in insert embedded in lens body, and method of producing the same | Keiji Yamasita, Tatsuya Ojio | 2000-12-12 |
| 6140438 | Soft intraocular lens material | Tatsuya Ojio, Kazuharu Niwa | 2000-10-31 |
| 5751403 | Projection exposure apparatus and method | Hideo Mizutani | 1998-05-12 |