Minemasa Ohta

Person

Yamanashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium
- Patent number 6,128,271
- Issue date Oct 3, 2000
- Pioneer Electronic Corporation
- Minemasa Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a master disc for optical discs
- Patent number 5,843,626
- Issue date Dec 1, 1998
- Pioneer Video Corporation
- Minemasa Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for and method of editing information
- Patent number 5,787,224
- Issue date Jul 28, 1998
- Pioneer Electronic Corporation
- Naoto Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disk and recorded information reproducing apparatus
- Patent number 5,673,359
- Issue date Sep 30, 1997
- Pioneer Video Corporation
- Minemasa Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Compressed picture information recording apparatus performing in re...
- Patent number 5,666,460
- Issue date Sep 9, 1997
- Pioneer Video Corporation
- Minemasa Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Master disc recording apparatus and method for recording data on di...
- Patent number 5,631,888
- Issue date May 20, 1997
- Pioneer Electronic Corporation
- Naoto Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Real-time image compression processor
- Patent number 5,579,121
- Issue date Nov 26, 1996
- Pioneer Video Corporation
- Minemasa Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Disc playing apparatus capable of both long time reproduction and h...
- Patent number 5,243,587
- Issue date Sep 7, 1993
- Pioneer Video Corporation
- Naoto Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording apparatus and optical disk
- Patent number 5,130,970
- Issue date Jul 14, 1992
- Pioneer Electronic Corporation
- Minemasa Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk having narrow and wide guide grooves
- Patent number 4,947,384
- Issue date Aug 7, 1990
- Pioneer Electronic Corporation
- Kenji Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for measuring angular deviation of flat plate
- Patent number 4,888,491
- Issue date Dec 19, 1989
- Pioneer Electronic Corporation
- Masaki Kobayashi
- G01 - MEASURING TESTING
Information Patent Grant
Optical disk manufacturing method
- Patent number 4,837,130
- Issue date Jun 6, 1989
- Pioneer Electronic Corp.
- Minemasa Ohta
- G11 - INFORMATION STORAGE

Minemasa Ohta

Person

Patents Grantslast 30 patents

Optical recording medium

Method for manufacturing a master disc for optical discs

Device for and method of editing information

Recording disk and recorded information reproducing apparatus

Compressed picture information recording apparatus performing in re...

Master disc recording apparatus and method for recording data on di...

Real-time image compression processor

Disc playing apparatus capable of both long time reproduction and h...

Optical recording apparatus and optical disk

Optical disk having narrow and wide guide grooves

Device for measuring angular deviation of flat plate

Optical disk manufacturing method