Inventor · disambiguated record
Yutaka Hiratsuka
Also filed as: HIRATSUKA YUTAKA
9 granted patents·332 citations·filing 1982–1994
90Inventor score
Top patents by PatentIndex Score
9 records- 0196US4586819ALaser Raman microprobeHITACHI LTD·Filed 1983·Granted May 6, 1986·140 cites·14 claims
- 0285US4779451ASystem for measuring foreign materials in liquidHITACHI LTD·Filed 1987·Granted Oct 25, 1988·60 cites·6 claims
- 0379US4505586ALaser Raman spectrophotometry system and adjustment thereofHITACHI LTD·Filed 1982·Granted Mar 19, 1985·32 cites·10 claims
- 0469US4541718APlasma monitoring method and plasma monitorHITACHI LTD·Filed 1983·Granted Sep 17, 1985·25 cites·11 claims
- 0556US4976815ADraft chamberTADAHIRO OHMI·Filed 1989·Granted Dec 11, 1990·28 cites·7 claims
- 0656US4569592APlasma monitorHITACHI LTD·Filed 1982·Granted Feb 11, 1986·15 cites·2 claims
- 0749US5485861ACleaning tankDAN SCIENCE CO LTD·Filed 1994·Granted Jan 23, 1996·20 cites·14 claims
- 0840US4566116ASoft X-ray generatorHITACHI LTD·Filed 1983·Granted Jan 21, 1986·6 cites·11 claims
- 0936US4890481ASystem for measuring foreign materials in liquidHITACHI LTD·Filed 1988·Granted Jan 2, 1990·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →