P

Inventor

YOKOYAMA KATSUYA

JP5 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA KATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JAPAN BROADCASTING CORP

3 patents
US4809118AFeb 28, 1989

PCM helical-scan magnetic record/playback systems

JAPAN BROADCASTING CORP7 citations70
US4234898ANov 18, 1980

Digital magnetic recording and reproducing apparatus

JAPAN BROADCASTING CORP9 citations70
US4839744AJun 13, 1989

Video signal recording method and associated recording/reproducing apparatus

JAPAN BROADCASTING CORP4 citations60

FUJI PHOTO FILM CO LTD

1 patent
US4875610AOct 24, 1989

Method of and system for driving magnetic tape

FUJI PHOTO FILM CO LTD6 citations71

NIHON VICTOR KABUSHIKI KAISHA

1 patent
US5837332ANov 17, 1998

Method and apparatus for preparing crystal thin films by using a surface acoustic wave

NIHON VICTOR KABUSHIKI KAISHA11 citations68