Inventor · disambiguated record

Sadayoshi Shibakawa

Also filed as: SHIBAKAWA SADAYOSHI

2 granted patents·34 citations·filing 1989–1993

62Inventor score

Technology areasF22B F24H

Files withKAYAHARA TOSHIHIRO1 MIURA KOGYO KK1

Top patents by PatentIndex Score

2 records

0160US5199384AQuadrangular type multi-tube once-through boilerMIURA KOGYO KK·Filed 1989·Granted Apr 6, 1993·19 cites·15 claims
0245US5273001AQuadrangular type multi-tube once-through boilerKAYAHARA TOSHIHIRO·Filed 1993·Granted Dec 28, 1993·15 cites·12 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →