Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317725 | Production management system | — | 2001-11-13 |
| 6021359 | Method and apparatus for determining an inspection schedule for a production line | Takako Sakakibara, Yoichi Togashi | 2000-02-01 |
| 5691906 | Method of management of a production line and a system for use in the management | Takako Togashi | 1997-11-25 |
| 5446542 | Mark position determining apparatus for use in exposure system | — | 1995-08-29 |