Patent assignee · JP · COMPANY

Yamatake-Honeywell Co., Ltd.

124Patents
0Active
124Granted
43Portfolio score

Filing activity: Oct 15, 1974 → Sep 5, 2000

Most-cited patents

PatentTitleAreaCited byStatus
US5316727A Measuring apparatus Physics 197 Expired
US5884079A Design part reusing method in configuration tool Emerging Cross-Sectional Technologies 127 Expired
US5751916A Building management system having set offset value learning and set bias value determining system for controlling thermal environment Mechanical Engineering; Lighting; Heating 116 Expired
US5295062A Facility management apparatus having touch responsive display screens Physics 115 Expired
US5790898A Information processing apparatus using finite state machine Physics 114 Expired
US5050429A Microbridge flow sensor Physics 99 Expired
US5398303A Fuzzy data processing method and data smoothing filter Emerging Cross-Sectional Technologies 91 Expired
US4918615A Building management system Electricity 84 Expired
US5918200A State estimating apparatus Physics 77 Expired
US5537310A Internal Model Controller with automatically correcting gain of the internal model controller Physics 74 Expired
US4633217A Communication apparatus Physics 69 Expired
US4963887A Full duplex transponder system Physics 69 Expired
US5349492A Capacitive pressure sensor Physics 67 Expired
US4617952A Switching valve and an electro-pneumatic pressure converter utilizing the same Emerging Cross-Sectional Technologies 63 Expired
US4841776A Differential pressure transmitter Physics 60 Expired
US5296819A Polymer capacitative moisture sensitive device comprising heating means Physics 56 Expired
US4677416A Humidity sensing apparatus Physics 56 Expired
US5388465A Electromagnetic flowmeter Physics 55 Expired
US4825704A Fluid flow speed measuring apparatus Physics 50 Expired
US6067367A Moving direction measuring device and tracking apparatus Electricity 50 Expired
US4754391A Method of determining PID parameters and an automatic tuning controller using the method Physics 46 Expired
US5756878A Thermal conductivity measuring device Physics 45 Expired
US5915034A Pattern collation apparatus based on spatial frequency characteristics Physics 45 Expired
US5081866A Respiratory air flowmeter Physics 42 Expired
US4992724A Bridge balancing circuit Electricity 39 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.