P

Inventor

NAGAYA SHIGEKI

JP22 patents
⚠️ This page may combine multiple inventors who share the name “NAGAYA SHIGEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

14 patents
US6741977B1May 25, 2004

Image recording/reproducing apparatus in monitor system

HITACHI LTD309 citations99
US5721692AFeb 24, 1998

Moving object detection apparatus

HITACHI LTD104 citations98
US6157744ADec 5, 2000

Method and apparatus for detecting a point of change in a moving image

HITACHI LTD83 citations96
US6256419B1Jul 3, 2001

Method and apparatus for detecting a point of change in a moving image

HITACHI LTD22 citations93
US7447332B2Nov 4, 2008

Image distribution system of surveillance camera with privacy protection

HITACHI LTD27 citations92
US7379628B2May 27, 2008

Recording and reproducing system for image data with recording position information and a recording and reproducing method therefor

HITACHI LTD20 citations92
US5862508AJan 19, 1999

Moving object detection apparatus

HITACHI LTD37 citations92
US7862172B2Jan 4, 2011

Gaze direction measuring method and gaze direction measuring device

HITACHI LTD20 citations87
US7835543B2Nov 16, 2010

Object detection method

HITACHI LTD17 citations83
US7834912B2Nov 16, 2010

Attention level measuring apparatus and an attention level measuring system

HITACHI LTD17 citations83
US6925245B1Aug 2, 2005

Method and medium for recording video information

HITACHI LTD16 citations81
US7830369B2Nov 9, 2010

Video signal processing apparatus, video displaying apparatus and high resolution method for video signal

HITACHI LTD7 citations74
US6798909B2Sep 28, 2004

Surveillance apparatus and recording medium recorded surveillance program

HITACHI LTD10 citations74
US6798908B2Sep 28, 2004

Surveillance apparatus and recording medium recorded surveillance program

HITACHI LTD11 citations74

IHI CORP

3 patents

SHARP KK

1 patent

KAGEYAMA MASAHIRO

1 patent

HAMADA KOICHI

1 patent

NAGATA KOJI

1 patent

NAGAYA SHIGEKI

1 patent