P

Inventor

IGARASHI KATSUJI

JP32 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI KATSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

17 patents
US6324216B1Nov 27, 2001

Video coding selectable between intra-frame prediction/field-based orthogonal transformation and inter-frame prediction/frame-based orthogonal transformation

SONY CORP150 citations99
USRE37222EJun 12, 2001

Video signal transmitting system

SONY CORP208 citations99
US5666461ASep 9, 1997

High efficiency encoding and decoding of picture signals and recording medium containing same

SONY CORP188 citations99
US5539466AJul 23, 1996

Efficient coding apparatus for picture signal and decoding apparatus therefor

SONY CORP232 citations99
US5428396AJun 27, 1995

Variable length coding/decoding method for motion vectors

SONY CORP179 citations99
US5132792AJul 21, 1992

Video signal transmitting system

SONY CORP134 citations99
US6226327B1May 1, 2001

Video coding method and apparatus which select between frame-based and field-based predictive modes

SONY CORP82 citations96
US6160849ADec 12, 2000

Selectable field and frame based predictive video coding

SONY CORP56 citations96
US5586202ADec 17, 1996

Motion detecting apparatus

SONY CORP68 citations96
US6115334ASep 5, 2000

Method and apparatus for determining and adjusting an inclination angle between recording/reproducing head and disk in a recording/reproducing system

SONY CORP26 citations93
US5808983ASep 15, 1998

Recording/reproducing apparatus and method for determining and generating a focus offset valve to focus at an optical storage medium

SONY CORP28 citations93
US5751675AMay 12, 1998

Recording and/or reproduction apparatus and method for optical record medium

SONY CORP29 citations93
US5745505AApr 28, 1998

Digital signal encoding method and apparatus, digital signal recording medium, and digital signal decoding method and apparatus

SONY CORP31 citations93
US6115333ASep 5, 2000

Method and apparatus for calibrating optical disc systems

SONY CORP29 citations92
US6101313AAug 8, 2000

High efficiency encoding and decoding of picture signals and recording medium containing same

SONY CORP7 citations74
US6075760AJun 13, 2000

System for performing focusing operation when recording and/or reproducing data on multilayered optical disks

SONY CORP7 citations74
US5452377ASep 19, 1995

Moving vector detecting device

SONY CORP10 citations74

SEIKO EPSON CORP

11 patents

IGARASHI KATSUJI

3 patents

(unassigned)

1 patent