Masaaki Arai

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical disc player with phase shift dependent on disk rotation dir...
- Patent number 4,896,309
- Issue date Jan 23, 1990
- Sony Corporation
- Akio Yamakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal recording apparatus and method
- Patent number 4,777,537
- Issue date Oct 11, 1988
- Sony Corporation
- Katsuhiko Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital conversion system for a color video signal that is capable...
- Patent number 4,725,894
- Issue date Feb 16, 1988
- Sony Corporation
- Takayuki Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal generator using digital memory
- Patent number 4,701,871
- Issue date Oct 20, 1987
- Sony Corporation
- Takayuki Sasaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-linear digital emphasis circuit
- Patent number 4,668,988
- Issue date May 26, 1987
- Sony Corporation
- Takayuki Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color video still picture playback device
- Patent number 4,470,076
- Issue date Sep 4, 1984
- Sony Corporation
- Masaaki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DEVICE AND MOBILE COMMUNICATION TERMINAL
- Publication number 20100016028
- Publication date Jan 21, 2010
- Kabushiki Kaisha Toshiba
- Akihiro TAKENAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE APPARATUS
- Publication number 20090280872
- Publication date Nov 12, 2009
- Kabushiki Kaisha Toshiba
- Hirokatsu KAJIYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING APPARATUS
- Publication number 20090227286
- Publication date Sep 10, 2009
- Kabushiki Kaisha Toshiba
- Masaaki ARAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE