Inventor · disambiguated record
Isao Ohtawara
Also filed as: OHTAWARA ISAO
3 granted patents·231 citations·filing 1987–1987
76Inventor score
Technology areasH04M
Files withSANYO ELECTRIC CO3
Top patents by PatentIndex Score
3 records- 0189US4802202ATelephone call selectorSANYO ELECTRIC CO·Filed 1987·Granted Jan 31, 1989·118 cites·5 claims
- 0288US4817133AParty selecting circuit arrangementSANYO ELECTRIC CO·Filed 1987·Granted Mar 28, 1989·108 cites·4 claims
- 0328US4856051AAutomatic telephone answering apparatusSANYO ELECTRIC CO·Filed 1987·Granted Aug 8, 1989·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →