Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851739 | Quinonediazide/novolak positive electron beam resist developer | Hiroki Oosedo, Mutsuo Kataoka, Kazutaka Tamura, Masaya Asano | 1998-12-22 |
| 5629127 | Positive electron beam resist composition containing cresolnovolak resin, select additive and methyl gallate/1,2-naphthoquinonediazido-4-sulfonyl chloride reaction product | Hiroki Oosedo, Mutsuo Kataoka, Mayumi Kataoka, legal representative, Kazutaka Tamura, Masaya Asano | 1997-05-13 |