Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5048066 | X-ray exposure process for preventing electrostatic attraction or contact of X-ray masks | — | 1991-09-10 |
| 5042945 | Lithographic mask structure and device for positioning the same | Hirofumi Shibata | 1991-08-27 |
| 5012500 | X-ray mask support member, X-ray mask, and X-ray exposure process using the X-ray mask | Yutaka Watanabe, Shigetaro Ogura | 1991-04-30 |
| 4361581 | Skin-beautifying cosmetic composition | — | 1982-11-30 |