Inventor · disambiguated record
Hiroyuki Katsuda
Also filed as: KATSUDA HIROYUKI
6 granted patents·97 citations·filing 1990–2009
83Inventor score
Top patents by PatentIndex Score
6 records- 0176US9105889B2Method and apparatus for determining humidity states of individual cells in a fuel cell, method and apparatus for controlling humidity states of individual cells in a fuel cell, and a fuel cell systemSUEMATSU KEIGO·Filed 2009·Granted Aug 11, 2015·3 cites·23 claims
- 0273US5085054ASealing mechanism in Stirling engineAISIN SEIKI·Filed 1990·Granted Feb 4, 1992·33 cites·4 claims
- 0368US5199722ASeal assembly for stirling engineRIKEN KK·Filed 1991·Granted Apr 6, 1993·31 cites·4 claims
- 0462US5513857APiston sealing ring having interlocking endsAISIN SEIKI·Filed 1994·Granted May 7, 1996·21 cites·9 claims
- 0557US9425473B2Fuel cell system and method of operating fuel cell systemNAGANUMA YOSHIAKI·Filed 2009·Granted Aug 23, 2016·0 cites·5 claims
- 0640US5056419ASealing device for a piston rod of a stirling engineAISIN SEIKI·Filed 1990·Granted Oct 15, 1991·9 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →