Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811606 | Manufacturing method for calcium fluoride and calcium fluoride for photolithography | Shigeru Sakuma, Kazuo Kimura, Shuuichi Takano | 2004-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811606 | Manufacturing method for calcium fluoride and calcium fluoride for photolithography | Shigeru Sakuma, Kazuo Kimura, Shuuichi Takano | 2004-11-02 |