Inventor
NISHIMURA SHIGEOKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “NISHIMURA SHIGEOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS5500292AMar 19, 1996
Polymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a catalytically active component concentration gradiem across oxygen electrode
HITACHI LTD73 citations96
US4518665AMay 21, 1985
Sheet-shaped polymer secondary battery of layer built type
HITACHI LTD30 citations92
US6245455B1Jun 12, 2001
Sodium-sulfur secondary battery
HITACHI LTD22 citations90
US4028237AJun 7, 1977
Method and apparatus for treatment of fluorine-containing waste waters
HITACHI LTD35 citations90
US4389253AJun 21, 1983
Process for removing crud from ion exchange resin
HITACHI LTD22 citations82
US4220858ASep 2, 1980
Apparatus for detecting change in water quality
HITACHI LTD24 citations81
US4879192ANov 7, 1989
Secondary cell
HITACHI LTD15 citations72
US6329099B1Dec 11, 2001
Sodium-sulfur battery, and a battery system using same
HITACHI LTD9 citations70
US5962160AOct 5, 1999
Sodium-sulfur battery, and a battery system using same
HITACHI LTD11 citations70