Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531933 | Filter unit having two attenuation poles | Keizo Miyamoto, Yuji Nakagawa, Hideaki Fujiura, Shinichi Kodama | 2003-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531933 | Filter unit having two attenuation poles | Keizo Miyamoto, Yuji Nakagawa, Hideaki Fujiura, Shinichi Kodama | 2003-03-11 |