Inventor
OBAYASHI HIDEHITO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OBAYASHI HIDEHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS4262063AApr 14, 1981
Fuel cell using electrolyte-soluble fuels
HITACHI LTD60 citations95
US6282611B1Aug 28, 2001
Digital information system, digital audio signal processor and signal converter
HITACHI LTD43 citations92
US5389198AFeb 14, 1995
Structure and method of manufacturing the same
HITACHI LTD28 citations92
US4323381AApr 6, 1982
Method for producing mother rods for optical fibers
HITACHI LTD36 citations92
US3953173AApr 27, 1976
Gas-sensor element and method for detecting oxidizable gas
HITACHI LTD37 citations91
US3951603AApr 20, 1976
Gas-sensor element and method for detecting reducing gas or oxygen gas
HITACHI LTD45 citations90
US4210509AJul 1, 1980
Oxygen sensor
HITACHI LTD10 citations74
US4788698ANov 29, 1988
X-ray exposure system
HITACHI LTD16 citations73
US4514857AApr 30, 1985
X-Ray lithographic system
HITACHI LTD9 citations73
US4367269AJan 4, 1983
Solid electrolyte
HITACHI LTD8 citations73
US4242421ADec 30, 1980
Electrode catalyst
HITACHI LTD10 citations73
US4044601AAug 30, 1977
Smoke and gas sensor element
HITACHI LTD16 citations70
US4740693AApr 26, 1988
Electron beam pattern line width measurement system
HITACHI LTD4 citations63
US4599737AJul 8, 1986
X-ray mask with Ni pattern
HITACHI LTD5 citations62