Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12323122 | Filter circuit and multilayered filter device | Masahiro TATEMATSU, Shuhei SAWAGUCHI, Yuta ASHIDA, Tetsuzo Goto, Shigemitsu Tomaki +1 more | 2025-06-03 |
| 12308813 | Filter circuit and multilayered filter device | Shuhei SAWAGUCHI, Masahiro TATEMATSU, Yuta ASHIDA, Tetsuzo Goto, Shigemitsu Tomaki +1 more | 2025-05-20 |
| 11955681 | Band-pass filter | Honoka Atsuchi, Yuta ASHIDA, Longfei YI, Shuhei SAWAGUCHI, Masahiro TATEMATSU +1 more | 2024-04-09 |
| 11664778 | Band-pass filter | Shuhei SAWAGUCHI, Yuta ASHIDA, Masahiro TATEMATSU, Shigemitsu Tomaki | 2023-05-30 |
| 11476822 | Band-pass filter | Shuhei SAWAGUCHI, Yuta ASHIDA, Masahiro TATEMATSU, Shigemitsu Tomaki | 2022-10-18 |
| 11276909 | Nonreciprocal circuit element, manufacturing method of the same, and communication apparatus using the same | Hidenori Ohata, Tomoaki Kawata | 2022-03-15 |
| 10992014 | Nonreciprocal circuit element and communication apparatus using the same | Hidenori Ohata | 2021-04-27 |
| 10964994 | Nonreciprocal circuit element and communication apparatus using the same | Hidenori Ohata, Junichi Nakamura | 2021-03-30 |
| 6215371 | Non-reciprocal circuit element with a capacitor between the shield conductor and ground to lower the operating frequency | Takahide Kurahashi, Hidenori Ohata, Akihito Watanabe | 2001-04-10 |