Inventor · disambiguated record
Ryoichi Shioi
Also filed as: SHIOI RYOICHI
3 granted patents·71 citations·filing 1978–1979
74Inventor score
Technology areasH05B
Top patents by PatentIndex Score
3 records- 0172US4232214APTC Honeycomb heating element with multiple electrode layersTDK ELECTRONICS CO LTD·Filed 1979·Granted Nov 4, 1980·30 cites·14 claims
- 0266US4245146AHeating element made of PTC ceramic materialTDK ELECTRONICS CO LTD·Filed 1978·Granted Jan 13, 1981·23 cites·3 claims
- 0360US4654510APTC heating apparatusTDK CORP·Filed 1979·Granted Mar 31, 1987·18 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →