Inventor · disambiguated record
Hiroyuki Ishihama
Also filed as: ISHIHAMA HIROYUKI
3 granted patents·0 citations·filing 2012–2014
38Inventor score
Technology areasF04C
Top patents by PatentIndex Score
3 records- 0143US9429123B2Vane pumpSHOWA CORP·Filed 2014·Granted Aug 30, 2016·0 cites·9 claims
- 0232US9062550B2Vane pumpNISHIKAWA TOSHIO·Filed 2012·Granted Jun 23, 2015·0 cites·11 claims
- 0331US9062674B2Vane pump including outer side plate defining high and low pressure notch grooves of differing lengths adjacent the high and low discharge ports for improved noise performanceISHIHAMA HIROYUKI·Filed 2012·Granted Jun 23, 2015·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →