Inventor
OHTA MINEMASA
JP12 patents
⚠️ This page may combine multiple inventors who share the name “OHTA MINEMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
7 patentsUS4947384AAug 7, 1990
Optical disk having narrow and wide guide grooves
PIONEER ELECTRONIC CORP63 citations95
US6128271AOct 3, 2000
Optical recording medium
PIONEER ELECTRONIC CORP52 citations92
US4837130AJun 6, 1989
Optical disk manufacturing method
PIONEER ELECTRONIC CORP26 citations90
US5787224AJul 28, 1998
Device for and method of editing information
PIONEER ELECTRONIC CORP7 citations73
US5631888AMay 20, 1997
Master disc recording apparatus and method for recording data on different types of master discs
PIONEER ELECTRONIC CORP17 citations73
US5130970AJul 14, 1992
Optical recording apparatus and optical disk
PIONEER ELECTRONIC CORP14 citations73
US4888491ADec 19, 1989
Device for measuring angular deviation of flat plate
PIONEER ELECTRONIC CORP2 citations62
PIONEER VIDEO CORP
5 patentsUS5843626ADec 1, 1998
Method for manufacturing a master disc for optical discs
PIONEER VIDEO CORP54 citations92
US5579121ANov 26, 1996
Real-time image compression processor
PIONEER VIDEO CORP25 citations92
US5243587ASep 7, 1993
Disc playing apparatus capable of both long time reproduction and high speed access
PIONEER VIDEO CORP39 citations91
US5666460ASep 9, 1997
Compressed picture information recording apparatus performing in real time
PIONEER VIDEO CORP12 citations73
US5673359ASep 30, 1997
Recording disk and recorded information reproducing apparatus
PIONEER VIDEO CORP2 citations62