Inventor · disambiguated record
Ryuhei Ishikawa
Also filed as: ISHIKAWA RYUHEI
6 granted patents·118 citations·filing 1989–2014
85Inventor score
Top patents by PatentIndex Score
6 records- 0192US8715393B2Capture of carbon dioxide (CO2) from airWRIGHT ALLEN B·Filed 2008·Granted May 6, 2014·37 cites·42 claims
- 0291US8999279B2Laminar flow air collector with solid sorbent materials for capturing ambient CO2WRIGHT ALLEN B·Filed 2009·Granted Apr 7, 2015·24 cites·13 claims
- 0387US9616375B2Capture of carbon dioxide (CO2) from airCARBON SINK INC·Filed 2014·Granted Apr 11, 2017·10 cites·11 claims
- 0460US5372432ADynamic pressure bearing assemblyNIPPON FERROFLUIDICS KK·Filed 1993·Granted Dec 13, 1994·21 cites·1 claims
- 0556US5050891ASealing member for ferrofluid sealNIPPON FERROFLUIDICE CORP·Filed 1989·Granted Sep 24, 1991·20 cites·2 claims
- 0633US5052697ASealing member for ferrofluid seal and method of producing the sameNIPPON FERROFLUIDICS KK·Filed 1989·Granted Oct 1, 1991·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →