Inventor

KAI TSUTOMU

JP20 patents

⚠️ This page may combine multiple inventors who share the name “KAI TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAI TSUTOMU

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Coordinate input device

Display-integrated coordinate input device

Stepping motor control method and disk drive apparatus

Optical information recording/reproducing device

Stepping motor controlling method and disk apparatus

Imaging apparatus having a counterfeiting prevention function

Optical disk, method of reproducing and copying optical disk, and method of preventing illegal use of optical disk

Disk drive apparatus

Information recording apparatus using a mark edge recording

Stepping motor control method and disk drive apparatus

Line image sensor

FUJITSU DISPLAY TECH

Liquid crystal display device

Liquid crystal display panel

Method and apparatus for driving liquid crystal display panel

Liquid crystal display device and driving circuit thereof

FUJITSU LTD

Liquid crystal display device and display method of the same

Correction of view-angle-dependent characteristics for display device

Display and method of and drive circuit for driving the display

PANASONIC IP MAN CO LTD

Inspection method for optical disc

MATSUSHITA ELECTRIC INDUSTIAL

Information recording method and information recording apparatus