P

Inventor

UEDA EIJI

JP38 patents
⚠️ This page may combine multiple inventors who share the name “UEDA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

19 patents
US7448087B2Nov 4, 2008

System for preventing unauthorized use of recording media

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US7083107B2Aug 1, 2006

Memory card

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US7054592B2May 30, 2006

Transmission apparatus and reception apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US6994263B2Feb 7, 2006

IC card

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US5737483AApr 7, 1998

Motor speed control apparatus for motors

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US5378976AJan 3, 1995

Brushless DC motor without a position sensor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92
US6996623B1Feb 7, 2006

Reception display apparatus and method for displaying screen partially with certain timing even when all data for the screen has not been received, and computer-readable record medium recording such reception display program

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations91
US6339786B1Jan 15, 2002

Terminal device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations91
US6549498B1Apr 15, 2003

Optical disk and optical disk apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US7337976B2Mar 4, 2008

Semiconductor memory

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations81
US5377295ADec 27, 1994

Speed controller of motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US5376870ADec 27, 1994

Apparatus for driving a brushless DC motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US4933834AJun 12, 1990

Control system with improved robustness to disturbances

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US7193635B2Mar 20, 2007

Portable terminal, overlay output method, and program therefor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7167436B2Jan 23, 2007

Optical recording medium having servo area and groove section

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US7050386B2May 23, 2006

Optical recording medium and misalignment measuring instrument

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7463563B2Dec 9, 2008

Deficiency detecting apparatus for optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US7420889B2Sep 2, 2008

Optical disc tracking control device, tracking control method, and tracking control program

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US6704258B2Mar 9, 2004

Tracking error signal detector

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations41

PANASONIC CORP

8 patents

TEAC CORP

4 patents

ASAHI CHEMICAL IND

3 patents

ASAHI KASEI KAGYO KABUSHIKI KA

1 patent

MATSUSHITA ELECTRIC INDUCSTRIA

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

PANASONIC IP MAN CO LTD

1 patent