Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767641 | Method for sealing fine groove with siliceous material and substrate having siliceous coating formed thereon | Yasuo Shimizu, Yuuji Tashiro | 2004-07-27 |
| 6746714 | Porous silica coating with low dielectric constant, semiconductor device and coating composition | Yasuo Shimizu | 2004-06-08 |