Yoshihisa Nagai

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for recording and reproducing a frequency bandwidth coded...
- Patent number 5,648,948
- Issue date Jul 15, 1997
- Pioneer Electronic Corporation
- Naoto Itoh
- G11 - INFORMATION STORAGE
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
Apparatus for reproducing information from a recording medium in ac...
- Patent number 5,218,450
- Issue date Jun 8, 1993
- Pioneer Electric Corporation
- Yoshihisa Nagai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of recording and reproducing picture information, recording...
- Patent number 5,097,349
- Issue date Mar 17, 1992
- Pioneer Electronic Corporation
- Satoru Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Recording medium playing apparatus which permits changes in the dis...
- Patent number 5,089,899
- Issue date Feb 18, 1992
- Pioneer Electronic Corporation
- Satoru Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process of recording time codes onto a video disk including periodi...
- Patent number 4,777,539
- Issue date Oct 11, 1988
- Pioneer Electronic Corporation
- Satoru Nomura
- G11 - INFORMATION STORAGE