Inventor · disambiguated record
Kazumasa Yamada
Also filed as: YAMADA KAZUMASA
9 granted patents·2 pending applications·268 citations·filing 1987–2016
90Inventor score
Files withYAMADA YUKI SEIZO CO LTD5YAMADA T S CO LTD3NAKASHIMA KOGYO CORP1NAKASHIMA MISAKO1YAMADA CORP1
Top patents by PatentIndex Score
11 records- 0193US6126403ADiaphragm pumpYAMADA T S CO LTD·Filed 1997·Granted Oct 3, 2000·120 cites·6 claims
- 0292US5743169ADiaphragm assembly and method of manufacturing sameYAMADA T S CO LTD·Filed 1995·Granted Apr 28, 1998·62 cites·3 claims
- 0371US4817503ADiaphragm pump with pressure chamber having a ribbed wallYAMADA YUKI SEIZO CO LTD·Filed 1987·Granted Apr 4, 1989·26 cites·1 claims
- 0463US6644940B2Restarting device for a fluid operated double diaphragm piston pumpYAMADA CORP·Filed 2001·Granted Nov 11, 2003·8 cites·14 claims
- 0557US4923168ASpool type switching valve deviceYAMADA YUKI SEIZO CO LTD·Filed 1988·Granted May 8, 1990·16 cites·4 claims
- 0650US5002469ASwitching device for reciprocating pumpsYAMADA YUKI SEIZO CO LTD·Filed 1990·Granted Mar 26, 1991·16 cites·2 claims
- 0742US5002468ASwitching device for reciprocating pumpsYAMADA YUKI SEIZO CO LTD·Filed 1988·Granted Mar 26, 1991·8 cites·5 claims
- 0841US5758565ADiaphragm assembly and method of manufacturing sameYAMADA T S CO LTD·Filed 1997·Granted Jun 2, 1998·8 cites·6 claims
- 0938US2014178992A1Membrane-separation-type culture device, membrane-separation-type culture kit, stem cell separation method using same, and separation membraneNAKASHIMA MISAKO·Filed 2012·Application pending·0 cites
- 1033US2017105935A1Pharmaceutical composition capable of accelerated penetration into affected areaNAKASHIMA KOGYO CORP·Filed 2016·Application pending·0 cites
- 1132US5120202ASwitching device for reciprocating pumpsYAMADA YUKI SEIZO CO LTD·Filed 1990·Granted Jun 9, 1992·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →