Inventor · disambiguated record
Ryuji Itoyama
Also filed as: ITOYAMA RYUJI
2 granted patents·3 pending applications·14 citations·filing 2012–2013
56Inventor score
Technology areasF04B
Top patents by PatentIndex Score
5 records- 0159USD700625SPiston pumpULVAC KIKO INC·Filed 2013·Granted Mar 4, 2014·12 cites·1 claims
- 0251US9695815B2Pump device and method for controlling the sameNONOMURA YUJI·Filed 2012·Granted Jul 4, 2017·2 cites·11 claims
- 0341US2015086402A1Pump deviceULVAC KIKO INC·Filed 2013·Application pending·0 cites
- 0428US2016003228A1Pump device and pump systemNONOMURA YUJI·Filed 2012·Application pending·0 cites
- 0528US2013336825A1Pump deviceNONOMURA YUJI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →