Inventor
NISHIZAWA HITOSHI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “NISHIZAWA HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
10 patentsUS4927517AMay 22, 1990
NOx sensor having catalyst for decomposing NOx
NGK INSULATORS LTD136 citations97
US5028309AJul 2, 1991
Electrochemical device incorporating means for preventing reduction of solid electrolyte and insulating ceramics due to heater current leakage
NGK INSULATORS LTD22 citations92
US4952903AAug 28, 1990
Ceramic heater having portions connecting heat-generating portion and lead portions
NGK INSULATORS LTD29 citations92
US4859307AAug 22, 1989
Electrochemical gas sensor, and method for manufacturing the same
NGK INSULATORS LTD54 citations92
US4645572AFeb 24, 1987
Method of determining concentration of a component in gases and electrochemical device suitable for practicing the method
NGK INSULATORS LTD45 citations92
US4639305AJan 27, 1987
Electrochemical element
NGK INSULATORS LTD40 citations92
US4634514AJan 6, 1987
Electrochemical apparatus and method of manufacturing the same
NGK INSULATORS LTD24 citations82
US5302276AApr 12, 1994
Electrochemical element
NGK INSULATORS LTD16 citations74
US4814059AMar 21, 1989
Electrochemical device having a heater and leak protection electrode
NGK INSULATORS LTD14 citations74
US4795544AJan 3, 1989
Electrochemical gas sensor
NGK INSULATORS LTD6 citations63
SEIKO EPSON CORP
3 patentsUS5696567ADec 9, 1997
Liquid crystal display device with phase difference plate having particular Δnxd perpendicular to surface over Δnxd at 45° angle to surface
SEIKO EPSON CORP120 citations99
US5426524AJun 20, 1995
Liquid crystal display with phase difference plate having particular .DELTA.Δnxd at 45° angle to surface
SEIKO EPSON CORP120 citations99
US5303075AApr 12, 1994
Liquid crystal display with phase difference plate having particular .DELTA.Δnxd at 45° angle to surface
SEIKO EPSON CORP126 citations99