Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795990 | Trap circuit with two variable inductors | Takayoshi Ishikawa | 1989-01-03 |
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795990 | Trap circuit with two variable inductors | Takayoshi Ishikawa | 1989-01-03 |