Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354387 | Boron phosphorus silicate glass composite layer on semiconductor wafer | David N. Wang, Makoto Nagashima, Kazuto Fukuma, Tetsuya Sato | 1994-10-11 |
| 5314845 | Two step process for forming void-free oxide layer over stepped surface of semiconductor wafer | David N. Wang, Makoto Nagashima, Kazuto Fukuma, Tatsuya Sato | 1994-05-24 |