Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12389530 | Filter module, filter element, and electronic device | Kenichi Ishizuka | 2025-08-12 |
| 12348209 | Filter, filter module, and electronic device | Kenichi Ishizuka, Satoshi Shigematsu | 2025-07-01 |
| 12218438 | Antenna device and electronic equipment | Kenichi Ishizuka, Takafumi Nasu | 2025-02-04 |