Subclass Subgroup Patent
H03B 5/1212 12368411
H03F 1/26 12368412
  1/302 12368413
  1/3247 12368414
  1/3258 12368415
  3/183 12368416
  3/195 12368417
  3/245 12368418
  3/45076 12368419
H03G 1/0029 12368420
  3/3089 12368421
  5/165 12368422
  9/025 12368423
H03H 3/0072 12368424
  3/02 12368425
    12368426
  3/04 12368427
  7/0115 12368428
  7/40 12368429
  9/02574 12368430
  9/14541 12368431
  9/1457 12368432
H03K 3/0315 12368433
  3/356156 12368434
  3/35625 RE050503
  17/168 12368435
  17/56 12368436
  17/687 12368437
  19/17728 RE050504
  19/1776 12368438
  21/00 12368439
  21/02 12368440
H03L 1/00 12368441
  7/07 12368442
  7/0812 12368443
  7/0893 12368444
  7/0991 12368445
  7/0992 12368446
  7/18 12368447
H03M 1/0626 12368448
  1/1014 12368449
  1/1023 12368450
  1/42 12368451
  1/66 12368452
  7/3059 12368453
  7/40 12368454
  13/13 12368455
    12368456