Inventor · disambiguated record
Hisashi Tsuruoka
Also filed as: TSUKADA TOSHIRO · TSURUOKA HISASHI
3 granted patents·223 citations·filing 1978–1987
73Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0197US4894343AChamber plate for use in cell fusion and a process for production thereofHITACHI LTD·Filed 1987·Granted Jan 16, 1990·211 cites·5 claims
- 0252US4178585AAnalog-to-digital converterHITACHI LTD·Filed 1978·Granted Dec 11, 1979·8 cites·12 claims
- 0337US4368457AAnalog-to-digital converterHITACHI LTD·Filed 1978·Granted Jan 11, 1983·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →