Inventor · disambiguated record
Fumihiko Nakajima
Also filed as: NAKAJIMA FUMIHIKO
2 granted patents·1 pending application·30 citations·filing 1990–2002
61Inventor score
Technology areasH01J
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0166US5051583AAtmospheric pressure ionization type mass spectrometerHITACHI LTD·Filed 1990·Granted Sep 24, 1991·22 cites·3 claims
- 0245US5422482AMass spectrometric apparatusHITACHI LTD·Filed 1994·Granted Jun 6, 1995·8 cites·11 claims
- 0336US2002195556A1Mass spectrometerHITACHI LTD·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →