Inventor · Hitachi, JP

Michio Morioka

25Patents
13h-index
45Co-inventors
81Inventor score

Filing activity: Mar 20, 1995 → Feb 7, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6944593B2 Speech input system, speech portal server, and speech input terminal Electricity 186 Expired
US6631447B1 Multiprocessor system having controller for controlling the number of processors for which cache coherency must be guaranteed Physics 132 Expired
US7299186B2 Speech input system, speech portal server, and speech input terminal Electricity 123 Expired
US6857131B1 Method and apparatus for displaying an image and data related to the image conditioned on user identifier Electricity 71 Expired
US7783421B2 Navigation device, navigation method, navigation program, server device, and navigation information distribution system Physics 47 Active
US5748873A Fault recovering system provided in highly reliable computer system having duplicated processors Physics 43 Expired
US7076362B2 Audio interactive navigation system, moving terminal device, and audio interactive server Physics 43 Expired
US8005612B2 Map data distribution system Emerging Cross-Sectional Technologies 30 Active
US7369925B2 Vehicle failure diagnosis apparatus and in-vehicle terminal for vehicle failure diagnosis Physics 29 Expired
US6873905B2 Communications type navigation device Physics 27 Expired
US6487543B1 Media-integrating system, terminal device, recording medium and broadcasting method for use in the media-integrating system Electricity 22 Expired
US5623626A Logical cache memory for multi-processor system Physics 14 Expired
US7268664B2 Remote control system, on-vehicle equipment and remote control method Physics 13 Expired
US7383127B2 Navigation apparatus for receiving delivered information Physics 8 Expired
US6978208B2 Information center for communications-type navigation device Physics 8 Expired
US7233862B2 Information center for communications-type navigation device Physics 6 Expired
US7058579B2 Speech input system, speech portal server, and speech input terminal Electricity 3 Expired
US6691310B2 Information receiver and information transmission and reception method providing information usage status Electricity 3 Expired
US6314467A Method of sending and receiving information and system using such method Electricity 3 Expired
US6885938B2 Terminal apparatus for downloading map Physics 3 Expired
US6535921B2 Method of sending and receiving information and system using such method Electricity 3 Expired
US7139663B2 Terminal apparatus for downloading map Physics 2 Expired
US7930100B2 Computer readable medium storing a map data updating program and map data updating terminal Physics 2 Active
US12106455B2 Autonomous vehicle system testing simulator Physics 2 Active
US5699541A Memory system using schottky diodes to reduce load capacitance Physics 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.