Inventor · Chiba, JP

Koji Ihara

13Patents
7h-index
18Co-inventors
59Inventor score

Filing activity: Apr 25, 2002 → Aug 4, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6772063B2 Navigation device, digital map display system, digital map displaying method in navigation device, and program Physics 100 Expired
US7044372B2 Guide information providing apparatus and program Physics 95 Expired
US6687614B2 Navigation device, information display device, object creation method, and recording medium Physics 69 Expired
US6954696B2 Navigation device, map displaying method and image display device Physics 50 Expired
US8139926B2 Reproduction apparatus, reproduction method, reproduction program, record medium, and data structure Electricity 10 Active
US8005339B2 Reproduction apparatus, reproduction method, reproduction program, record medium, and data structure Electricity 9 Active
US8244099B2 Picture reproducing apparatus and method, recording medium, and picture reproducing program Electricity 7 Active
US9753285B2 Information processing device, notification state control method, and program Physics 2 Active
US8346059B2 Data processing device, data processing method, program, program recording medium, data recording medium, and data structure Physics 1 Active
US8854390B2 Information processing apparatus, information processing method, computer program, and information processing system Electricity 1 Active
US10613330B2 Information processing device, notification state control method, and program Physics 1 Active
US8369683B2 Reproducing apparatus, reproducing method, reproducing program, recording medium, and data structure Electricity 0 Active
US8326117B2 Data recording device, data recording method, data processing device, data processing method, program, program recording medium, data recording medium, and data structure Electricity 0 Active

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