Masaaki Tsuji

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless communication apparatus and mobile device
- Patent number 9,684,808
- Issue date Jun 20, 2017
- Ricoh Company, Ltd.
- Nobunari Tsukamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier circuit, antenna module, and radio communication device
- Patent number 9,473,199
- Issue date Oct 18, 2016
- Ricoh Company, Ltd.
- Masaaki Tsuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier circuit, antenna module and wireless communication apparatus
- Patent number 9,407,312
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Masaaki Tsuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical disk apparatus
- Patent number 7,580,333
- Issue date Aug 25, 2009
- Ricoh Company, Ltd.
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk unit capable of reading out data normally and continuo...
- Patent number 7,548,498
- Issue date Jun 16, 2009
- Ricoh Company, Ltd.
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Subcode-data generating circuit
- Patent number 7,447,696
- Issue date Nov 4, 2008
- Ricoh Company, Ltd.
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical disk recording capable of reducing...
- Patent number 7,394,748
- Issue date Jul 1, 2008
- Ricoh Company, Ltd.
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical disk recording capable of reducing...
- Patent number 7,200,082
- Issue date Apr 3, 2007
- Ricoh Company, Ltd.
- Tsuji Masaaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk unit capable of reading out data normally and continuo...
- Patent number 7,151,732
- Issue date Dec 19, 2006
- Ricoh Company, Ltd.
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 7,023,781
- Issue date Apr 4, 2006
- Ricoh Company, Ltd.
- Masaaki Tsuji
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COMMUNICATION APPARATUS AND MOBILE DEVICE
- Publication number 20160188924
- Publication date Jun 30, 2016
- Nobunari TSUKAMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AMPLIFIER CIRCUIT, ANTENNA MODULE, AND RADIO COMMUNICATION DEVICE
- Publication number 20150358053
- Publication date Dec 10, 2015
- RICOH COMPANY, LTD.
- Masaaki Tsuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AMPLIFIER CIRCUIT, ANTENNA MODULE AND WIRELESS COMMUNICATION APPARATUS
- Publication number 20150229346
- Publication date Aug 13, 2015
- RICOH COMPANY, LTD.
- Masaaki Tsuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for optical disk recording capable of reducing...
- Publication number 20070147203
- Publication date Jun 28, 2007
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk unit capable of reading out data normally and continuo...
- Publication number 20070036045
- Publication date Feb 15, 2007
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus
- Publication number 20060126475
- Publication date Jun 15, 2006
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for optical disk recording capable of reducing...
- Publication number 20040165498
- Publication date Aug 26, 2004
- Tsuji Masaaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk unit capable of reading out data normally and continuo...
- Publication number 20030107958
- Publication date Jun 12, 2003
- Ricoh Company, Ltd.
- Masaaki Tsuji
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus
- Publication number 20020110061
- Publication date Aug 15, 2002
- Ricoh Company, Ltd.
- Masaaki Tsuji
- G11 - INFORMATION STORAGE

Masaaki Tsuji

Person

Patents Grantslast 30 patents

Wireless communication apparatus and mobile device

Amplifier circuit, antenna module, and radio communication device

Amplifier circuit, antenna module and wireless communication apparatus

Optical disk apparatus

Optical disk unit capable of reading out data normally and continuo...

Subcode-data generating circuit

Method and apparatus for optical disk recording capable of reducing...

Method and apparatus for optical disk recording capable of reducing...

Optical disk unit capable of reading out data normally and continuo...

Optical disk apparatus

Patents Applicationslast 30 patents

WIRELESS COMMUNICATION APPARATUS AND MOBILE DEVICE

AMPLIFIER CIRCUIT, ANTENNA MODULE, AND RADIO COMMUNICATION DEVICE

AMPLIFIER CIRCUIT, ANTENNA MODULE AND WIRELESS COMMUNICATION APPARATUS

Method and apparatus for optical disk recording capable of reducing...

Optical disk unit capable of reading out data normally and continuo...

Optical disk apparatus

Method and apparatus for optical disk recording capable of reducing...

Optical disk unit capable of reading out data normally and continuo...

Optical disk apparatus