Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904570 | Method of using a projection aligner for photoetching | — | 1990-02-27 |
| 4565916 | Electric hair curling iron with rotatable power cord | Eiji Tsuji, Kuniharu Ichikawa | 1986-01-21 |