Inventor
NAGAOKA YUKIO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “NAGAOKA YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
13 patentsUS5033671AJul 23, 1991
Hot-water and cold-water mixing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD80 citations95
US6941821B2Sep 13, 2005
Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rate
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations92
US6796189B1Sep 28, 2004
Ultrasonic flowmeter having sequentially changed driving method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US6691582B1Feb 17, 2004
Gas type identification system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6065351AMay 23, 2000
Flow rate measurement method and ultrasonic flow meter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US7237441B2Jul 3, 2007
Ultrasonic type fluid measurement device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations91
US4385887AMay 31, 1983
Combustion control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations91
US6748812B1Jun 15, 2004
Flow rate measuring apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US7360449B2Apr 22, 2008
Ultrasonic fluid measurement instrument having a plurality of split channels formed by partition boards
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations82
US4738283AApr 19, 1988
Gas flow controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations82
US6694824B2Feb 24, 2004
Flow measuring device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations79
US7082841B2Aug 1, 2006
Ultrasonic flowmeter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US6915704B2Jul 12, 2005
Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rate
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations73
HITACHI LTD
6 patentsUS6188388B1Feb 13, 2001
Information presentation apparatus and information display apparatus
HITACHI LTD116 citations98
US5712658AJan 27, 1998
Information presentation apparatus and information display apparatus
HITACHI LTD122 citations98
US5835078ANov 10, 1998
Information presentation apparatus and information display apparatus
HITACHI LTD86 citations95
US4816993AMar 28, 1989
Parallel processing computer including interconnected operation units
HITACHI LTD74 citations93
US5313561AMay 17, 1994
Reasoning system by knowledge activation and composing method of same
HITACHI LTD3 citations61
US4149155AApr 10, 1979
Apparatus for displaying plant data
HITACHI LTD6 citations57