Patent assignee · JP · COMPANY

DENSO CORPORATION

20,130Patents
14,443Active
20,130Granted
60Portfolio score

Filing activity: Feb 25, 1993 → Jan 17, 2025 · 3,669 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8555660B2 Operation unit for vehicle air conditioner and vehicle air-conditioning control apparatus using the same Physics 996 Active
US6191007A Method for manufacturing a semiconductor substrate Electricity 510 Expired
US6349203B1 Moving body terminal device, information providing device, information providing system, information providing method, and medium having recorded program for the moving body terminal device Electricity 447 Expired
US7639149B2 Automatic lighting device and method for controlling light Performing Operations; Transporting 350 Active
US8864375B2 Temperature sensor Physics 331 Active
US7307313B2 Semiconductor device including a vertical field effect transistor, having trenches, and a diode Electricity 322 Expired
US6285931A Vehicle information communication system and method capable of communicating with external management station Physics 322 Expired
US6555901B1 Semiconductor device including eutectic bonding portion and method for manufacturing the same Electricity 310 Expired
US5751211A Obstacle warning system for a vehicle Emerging Cross-Sectional Technologies 279 Expired
US8772960B2 Power transmitting and receiving system for vehicle Emerging Cross-Sectional Technologies 276 Active
US6957076B2 Location specific reminders for wireless mobiles Electricity 267 Expired
US6608562B1 Vital signal detecting apparatus Emerging Cross-Sectional Technologies 242 Expired
US5948041A Information service device having simple data retrieval capabilities Physics 241 Expired
US6909893B2 Wireless communication system, fixed base station and mobile terminal station Electricity 236 Expired
US6534380B1 Semiconductor substrate and method of manufacturing the same Emerging Cross-Sectional Technologies 233 Expired
US6788951B2 Radio communication system using variable packet length Electricity 230 Expired
US6337730B1 Non-uniformly-rigid barrier wall spacers used to correct problems caused by thermal contraction of smectic liquid crystal material Physics 220 Expired
US8009051B2 Sleep warning apparatus Physics 214 Active
US5861932A Liquid crystal cell and its manufacturing method Physics 206 Expired
US5976936A Silicon carbide semiconductor device Emerging Cross-Sectional Technologies 206 Expired
US6059018A Vehicle seat air-conditioning system Emerging Cross-Sectional Technologies 205 Expired
US8185380B2 Apparatus for providing information for vehicle Physics 203 Active
US8010283B2 Driving evaluation system and server Physics 192 Active
US6251754A Semiconductor substrate manufacturing method Electricity 186 Expired
US6463128B1 Adjustable coding detection in a portable telephone Electricity 184 Expired

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