Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234843 | Method of making a semiconductor film where the hydrogen and/or fluorine is released prior to ion beam crystallization | Tomonori Yamaoka | 1993-08-10 |
| 5066514 | Method of forming optical waveguides by ion implantation | — | 1991-11-19 |
| 4986841 | Method of preparing an alkali metal diffusion preventive layer | Takashi Tagami, Shuhei Tanaka | 1991-01-22 |