P

Inventor

KANIWA KOJI

JP7 patents
⚠️ This page may combine multiple inventors who share the name “KANIWA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MAXELL LTD

3 patents
US12436613B2Oct 7, 2025

Image display device and image display method

MAXELL LTD0 citations62
US12153734B2Nov 26, 2024

Image display device and image display method

MAXELL LTD0 citations62
US12294814B2May 6, 2025

Watching monitoring device and watching monitoring method

MAXELL LTD0 citations50

HITACHI LTD

2 patents
US4677645AJun 30, 1987

Audio signal transmission system having noise reduction means

HITACHI LTD75 citations95
US4769722ASep 6, 1988

Apparatus for recording and reproducing a video signal and for recording and reproducing a PCM audio signal on forward and reverse tape travelling directions

HITACHI LTD20 citations81

ASHIDA AKIHIRO

1 patent
US8315131B2Nov 20, 2012

Optical disc apparatus and back off control method for objective lens

ASHIDA AKIHIRO0 citations41

SAKAI HIROHARU

1 patent
US8406100B2Mar 26, 2013

Optical disc device and tracking servo control circuit therefor

SAKAI HIROHARU0 citations34