Patent assignee · JP · COMPANY

SOKEN, INC.

83Patents
80Active
83Granted
56Portfolio score

Filing activity: Feb 25, 1992 → Sep 24, 2021 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5346697A Active oxygen scavenger Emerging Cross-Sectional Technologies 14 Expired
US10220953B2 Aerial vehicle Performing Operations; Transporting 8 Active
US5728384A Antiulcer agent Human Necessities 5 Expired
US10086937B2 Observation device Performing Operations; Transporting 5 Active
US10074895B2 Collective antenna device Electricity 5 Active
US10224826B2 Control apparatus determining transformer magnetization in a DC/DC converter based on difference between primary and secondary currents Electricity 4 Active
US10374517B2 Apparatus for controlling power converter Emerging Cross-Sectional Technologies 4 Active
USD729598S1 Grabber General 4 Active
US10138861B2 Ignition device Emerging Cross-Sectional Technologies 3 Active
US10731770B2 Electric flow control valve and actuator Mechanical Engineering; Lighting; Heating 3 Active
US11027701B2 Location determination system Electricity 3 Active
US10164620B1 Ringing suppression circuit Electricity 2 Active
US11575196B2 Antenna device Electricity 2 Active
US10280816B2 Valve timing adjustment device Mechanical Engineering; Lighting; Heating 2 Active
US11112321B2 Torque detection device and sensor module Physics 2 Active
US10128825B2 Ringing suppression circuit Electricity 2 Active
US10691959B2 Estimating apparatus Physics 2 Active
US10065667B2 Carrier apparatus Performing Operations; Transporting 2 Active
US11035745B2 Torque sensor Physics 2 Active
US10123628B2 Blower unit Mechanical Engineering; Lighting; Heating 2 Active
US11015610B2 Centrifugal blower Mechanical Engineering; Lighting; Heating 2 Active
US10768275B2 Antenna apparatus Physics 2 Active
US10866161B2 Road surface condition estimation apparatus Performing Operations; Transporting 1 Active
US11092162B2 Centrifugal blower Mechanical Engineering; Lighting; Heating 1 Active
US11608834B2 Centrifugal blower Mechanical Engineering; Lighting; Heating 1 Active

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