Inventor · disambiguated record
Katsumi Tobita
Also filed as: TOBITA KATSUMI
10 granted patents·105 citations·filing 1978–1988
88Inventor score
Top patents by PatentIndex Score
10 records- 0187US4855835AAFT circuit for CATV receiver systemALPS ELECTRIC CO LTD·Filed 1988·Granted Aug 8, 1989·66 cites·3 claims
- 0251US4589017APay television receiving systemTOBITA KATSUMI·Filed 1982·Granted May 13, 1986·12 cites·8 claims
- 0342US4514757ACATV selection deviceALPS ELECTRIC CO LTD·Filed 1981·Granted Apr 30, 1985·7 cites·4 claims
- 0439US4692803ACATV converter having phase locked loop for sound carrier wave frequency controlALPS ELECTRIC CO LTD·Filed 1986·Granted Sep 8, 1987·6 cites·3 claims
- 0538US4352205ATuning systemALPS ELECTRIC CO LTD·Filed 1980·Granted Sep 28, 1982·5 cites·11 claims
- 0634US4274066AQuartz crystal oscillatorALPS ELECTRIC CO LTD·Filed 1979·Granted Jun 16, 1981·2 cites·5 claims
- 0733US4224580AQuartz crystal oscillatorALPS ELECTRIC CO LTD·Filed 1978·Granted Sep 23, 1980·2 cites·6 claims
- 0831US4517595APay television channel selectorALPS ELECTRIC CO LTD·Filed 1981·Granted May 14, 1985·2 cites·3 claims
- 0930US4771457ASubscription television systemALPS ELECTRIC CO LTD·Filed 1987·Granted Sep 13, 1988·2 cites·2 claims
- 1020US4723287ADemodulating system for multivoice systemALPS ELECTRIC CO LTD·Filed 1986·Granted Feb 2, 1988·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →