Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424446 | Silicon (Si) dry etch for die-to-wafer thinning | Guan Huei See, ChangBum YONG, Prayudi Lianto, Arvind Sundarrajan | 2025-09-23 |
| 5261022 | Optical waveguide of silica glass film on ceramic substrate | Shin Sumida, Tadashi Miyashita | 1993-11-09 |
| 5064266 | Circular channel waveguides and lenses formed from rectangular channel waveguides | Shin Sumida, Shigeki Sakaguchi, Tadashi Miyashita | 1991-11-12 |
| 5059475 | Apparatus and method of forming optical waveguides on metalized substrates | Shigeki Sakaguchi, Tadashi Miyashita | 1991-10-22 |