Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194959 | Active filter circuit | Iwao Kamoshida | 2001-02-27 |
| 6107870 | Automatic compensation circuit for automatically compensating time constant of filter | — | 2000-08-22 |
| 6014180 | Automatic gain control loop circuit | — | 2000-01-11 |
| 5640211 | Luminance signal/color signal separator circuit | Takahiro Kusano | 1997-06-17 |
| 5523798 | Circuit for automatically adjusting signal separation in Y/C seperation comb filter | Hideyuki Hagino | 1996-06-04 |
| 5510853 | Automatic gain control circuit for stabilizing the level of a reproduced color signal | — | 1996-04-23 |
| 5463309 | Variable voltage to current conversion circuit | — | 1995-10-31 |
| 5339112 | Automatic phase controlling circuit for processing reproduced chroma signals | — | 1994-08-16 |
| 5311299 | Recursive comb filter | — | 1994-05-10 |
| 5191407 | Contour accentuation circuit for a color signal | Tadashi Terada | 1993-03-02 |
| 4979194 | Circuit for generating pulse having predetermined time period width based on trigger signal | — | 1990-12-18 |
| 4908582 | AFC circuit for producing a ripple-free oscillator control voltage | Tadashi Terada | 1990-03-13 |
| 4818903 | Time constant automatic adjustment circuit for a filter circuit | — | 1989-04-04 |
| 4818952 | Oscillation circuit | Tadashi Terada | 1989-04-04 |
| 4684901 | Automatic phase control circuit | — | 1987-08-04 |
| 4614911 | Balanced modulator circuit | — | 1986-09-30 |