Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666091 | Structure of surface acoustic wave filter | Kazuyuki Sakiyama, Nobuhiko Shibagaki | 1997-09-09 |
| 5604059 | Mask structure having phase shifting pattern suitable for forming fine pattern on photosensitive film and method of manufacturing solid-state devices using such mask structure | Ryo Imura, Yoshinori Hoshina, Kengo Asai, Atsushi Isobe, Ryo Suzuki +2 more | 1997-02-18 |