Inventor · disambiguated record

Toshihumi Yuzawa

Also filed as: YUZAWA TOSHIHUMI

1 granted patent·9 citations·filing 1989–1989

31Inventor score

Technology areasE21D

Files withISHIKAWAJIMA HARIMA HEAVY IND1

Top patents by PatentIndex Score

1 record

0128US4939431AControl system for synchronous rotation of cutter heads, for use in shield machineISHIKAWAJIMA HARIMA HEAVY IND·Filed 1989·Granted Jul 3, 1990·9 cites·3 claims

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