Inventor · disambiguated record
Akihiko Okumura
Also filed as: OKUMURA AKIHIKO
13 granted patents·136 citations·filing 1995–2021
91Inventor score
Top patents by PatentIndex Score
13 records- 0190US6900430B2Mass spectrometer and measurement system using the mass spectrometerHITACHI LTD·Filed 2002·Granted May 31, 2005·35 cites·10 claims
- 0282US6707033B2Mass spectrometerHITACHI HIGH TECH CORP·Filed 2003·Granted Mar 16, 2004·18 cites·8 claims
- 0381US6797949B2Mass spectrometerHITACHI HIGH TECH CORP·Filed 2002·Granted Sep 28, 2004·16 cites·12 claims
- 0481US6673547B2DNA analysis systemHITACHI LTD·Filed 2001·Granted Jan 6, 2004·8 cites·20 claims
- 0579US6774359B1Sample-introduction tool, and an ion source and a mass spectrometer using the sample-introduction toolHITACHI LTD·Filed 1998·Granted Aug 10, 2004·32 cites·60 claims
- 0677US7851743B2Ion mobility spectrometerHITACHI LTD·Filed 2008·Granted Dec 14, 2010·5 cites·8 claims
- 0757USD1013987SDryerIRIS OHYAMA INC·Filed 2021·Granted Feb 6, 2024·2 cites·1 claims
- 0854US7034287B2Mass spectrometer and method of useHITACHI LTD·Filed 2004·Granted Apr 25, 2006·2 cites·16 claims
- 0953US5844881AObjective lens driving device capable of holding an objective lens at a specific neutral pointSANKYO SEIKI SEISAKUSHO KK·Filed 1995·Granted Dec 1, 1998·11 cites·4 claims
- 1048US7663098B2Gas monitoring apparatus and gas monitoring methodHITACHI LTD·Filed 2007·Granted Feb 16, 2010·0 cites·7 claims
- 1145USD850668SLED lampIRIS OHYAMA INC·Filed 2018·Granted Jun 4, 2019·3 cites·1 claims
- 1239USD1014878SDryerIRIS OHYAMA INC·Filed 2021·Granted Feb 13, 2024·0 cites·1 claims
- 1336US6787017B1Capillary electrophoretis system, sample analyzer and liquid sample cassette for electrophoretic separationHITACHI LTD·Filed 1998·Granted Sep 7, 2004·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →