Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9905904 | Artificial dielectric resonator and artificial dielectric filter using the same | Toshio Ishizaki | 2018-02-27 |
| 9673500 | Artificial dielectric resonator and artificial dielectric filter using the same | Toshio Ishizaki | 2017-06-06 |
| 6640689 | Double-rack-and-pinion swinging apparatus | Kaichiro Mitsui, Mitsunori Magaribuchi | 2003-11-04 |