Inventor

HISADA WATARU

JP7 patents

⚠️ This page may combine multiple inventors who share the name “HISADA WATARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON STEEL CORP

2 patents

US7807281B2Oct 5, 2010

Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator

NIPPON STEEL CORP3 citations61

US8361676B2Jan 29, 2013

Solid polymer type fuel cell separator and method of production of same

NIPPON STEEL CORP0 citations48

SINTOBRATOR LTD

1 patent

US6726953B2Apr 27, 2004

Method for depositing metal having high corrosion resistance and low contact resistance against carbon on separator for fuel cell

SINTOBRATOR LTD2 citations60

TANAKA KOKI

1 patent

US8182961B2May 22, 2012

Solid polymer type fuel cell separator and method of production of same

TANAKA KOKI2 citations57

KANEKO MICHIO

1 patent

US8785031B2Jul 22, 2014

Polymer electrolyte fuel cell separator made of pure titanium or titanium alloy and method of production of same

KANEKO MICHIO0 citations48

HISADA WATARU

1 patent

US8061217B2Nov 22, 2011

Apparatus for measuring a flow rate of a powder

HISADA WATARU4 citations47

KIHIRA HIROSHI

1 patent

US8304141B2Nov 6, 2012

Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator

KIHIRA HIROSHI0 citations43