Tsutomu Maruyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Guidance control device and guidance control method
- Patent number 11,959,768
- Issue date Apr 16, 2024
- NEC Corporation
- Takanori Fujishima
- G01 - MEASURING TESTING
Information Patent Grant
Light source and recording apparatus
- Patent number 8,934,324
- Issue date Jan 13, 2015
- Sony Corporation
- Tsutomu Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser apparatus and bio-imaging apparatus
- Patent number 8,902,942
- Issue date Dec 2, 2014
- Sony Corporation
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording apparatus
- Patent number 8,537,647
- Issue date Sep 17, 2013
- Sony Corporation
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical oscillation device and recording apparatus
- Patent number 8,462,599
- Issue date Jun 11, 2013
- Sony Corporation
- Goro Fujita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Recording apparatus
- Patent number 8,416,671
- Issue date Apr 9, 2013
- Sony Corporation
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser driving device and laser driving method
- Patent number 8,406,261
- Issue date Mar 26, 2013
- Sony Corporation
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser device, optical pickup, and optical disk device
- Patent number 8,218,592
- Issue date Jul 10, 2012
- Sony Corporation
- Tsutomu Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing apparatus and method, signal processing apparatus and m...
- Patent number 7,978,792
- Issue date Jul 12, 2011
- Sony Corporation
- Tsutomu Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical information reproduction apparatus and optical information...
- Patent number 7,539,108
- Issue date May 26, 2009
- Sony Corporation
- Tsutomu Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording device and information recording method
- Patent number 7,301,875
- Issue date Nov 27, 2007
- Sony Corporation
- Isao Ichimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium processing device and focal point control...
- Patent number 7,126,899
- Issue date Oct 24, 2006
- Sony Corporation
- Isao Ichimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus, optical disc apparatus, and tracking cont...
- Patent number 7,099,243
- Issue date Aug 29, 2006
- Sony Corporation
- Tsutomu Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of tracking servo for optical pickup device
- Patent number 6,654,323
- Issue date Nov 25, 2003
- Sony Corporation
- Koji Takasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser drive device, optical head, optical disk device...
- Patent number 6,421,314
- Issue date Jul 16, 2002
- Sony Corporation
- Tsutomu Maruyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PARTICLE SORTING APPARATUS AND PARTICLE SORTING METHOD
- Publication number 20240319069
- Publication date Sep 26, 2024
- SONY GROUP CORPORATION
- Tsutomu Maruyama
- G01 - MEASURING TESTING
Information Patent Application
PARTICLE ISOLATION DEVICE, PARTICLE ISOLATION METHOD, AND PROGRAM
- Publication number 20240280463
- Publication date Aug 22, 2024
- SONY GROUP CORPORATION
- Shin Masuhara
- G01 - MEASURING TESTING
Information Patent Application
PARTICLE DETECTION DEVICE, PARTICLE DETECTION SYSTEM, AND PARTICLE...
- Publication number 20230375459
- Publication date Nov 23, 2023
- SONY GROUP CORPORATION
- Gakuji Hashimoto
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL MEASURING DEVICE AND OPTICAL MEASURING SYSTEM
- Publication number 20220244164
- Publication date Aug 4, 2022
- SONY GROUP CORPORATION
- TOSHIYUKI NISHIHARA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL MEASUREMENT DEVICE AND OPTICAL MEASUREMENT SYSTEM
- Publication number 20220247962
- Publication date Aug 4, 2022
- SONY GROUP CORPORATION
- TSUTOMU MARUYAMA
- G01 - MEASURING TESTING
Information Patent Application
GUIDANCE CONTROL DEVICE AND GUIDANCE CONTROL METHOD
- Publication number 20210025731
- Publication date Jan 28, 2021
- NEC Corporation
- Takanori FUJISHIMA
- G01 - MEASURING TESTING
Information Patent Application
LASER SCANNING MICROSCOPE SYSTEM AND SAMPLING DEVICE
- Publication number 20150241681
- Publication date Aug 27, 2015
- SONY CORPORATION
- Masaaki Hara
- G02 - OPTICS
Information Patent Application
OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS
- Publication number 20150131425
- Publication date May 14, 2015
- SONY CORPORATION
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING APPARATUS
- Publication number 20140010059
- Publication date Jan 9, 2014
- SONY CORPORATION
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Application
LIGHT SOURCE AND RECORDING APPARATUS
- Publication number 20130235710
- Publication date Sep 12, 2013
- SONY CORPORATION
- TSUTOMU MARUYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS
- Publication number 20130021887
- Publication date Jan 24, 2013
- SONY CORPORATION
- Goro Fujita
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS
- Publication number 20130021891
- Publication date Jan 24, 2013
- SONY CORPORATION
- Goro Fujita
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS
- Publication number 20130021425
- Publication date Jan 24, 2013
- SONY CORPORATION
- Goro Fujita
- B82 - NANO-TECHNOLOGY
Information Patent Application
RECORDING APPARATUS
- Publication number 20120063288
- Publication date Mar 15, 2012
- SONY CORPORATION
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING APPARATUS
- Publication number 20120044791
- Publication date Feb 23, 2012
- SONY CORPORATION
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Application
LASER DEVICE, OPTICAL PICKUP, AND OPTICAL DISK DEVICE
- Publication number 20110194391
- Publication date Aug 11, 2011
- SONY CORPORATION
- TSUTOMU MARUYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
LASER DRIVING DEVICE AND LASER DRIVING METHOD
- Publication number 20100309938
- Publication date Dec 9, 2010
- SONY CORPORATION
- Goro Fujita
- G11 - INFORMATION STORAGE
Information Patent Application
REPRODUCING APPARATUS AND METHOD, SIGNAL PROCESSING APPARATUS AND M...
- Publication number 20080151987
- Publication date Jun 26, 2008
- SONY CORPORATION
- Tsutomu Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical information reproduction apparatus and optical information...
- Publication number 20060087937
- Publication date Apr 27, 2006
- SONY CORPORATION
- Tsutomu Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium processing device and focal point control...
- Publication number 20050157614
- Publication date Jul 21, 2005
- Isao Ichimura
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording device and information recording method
- Publication number 20050036423
- Publication date Feb 17, 2005
- SONY CORPORATION
- Isao Ichimura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup apparatus, optical disc apparatus, and tracking cont...
- Publication number 20040130984
- Publication date Jul 8, 2004
- Tsutomu Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Method of tracking servo for optical pickup device
- Publication number 20020006092
- Publication date Jan 17, 2002
- Koji Takasaki
- G11 - INFORMATION STORAGE

Tsutomu Maruyama

Person

Patents Grantslast 30 patents

Guidance control device and guidance control method

Light source and recording apparatus

Laser apparatus and bio-imaging apparatus

Recording apparatus

Optical oscillation device and recording apparatus

Recording apparatus

Laser driving device and laser driving method

Laser device, optical pickup, and optical disk device

Reproducing apparatus and method, signal processing apparatus and m...

Optical information reproduction apparatus and optical information...

Information recording device and information recording method

Optical recording medium processing device and focal point control...

Optical pickup apparatus, optical disc apparatus, and tracking cont...

Method of tracking servo for optical pickup device

Semiconductor laser drive device, optical head, optical disk device...

Patents Applicationslast 30 patents

PARTICLE SORTING APPARATUS AND PARTICLE SORTING METHOD

PARTICLE ISOLATION DEVICE, PARTICLE ISOLATION METHOD, AND PROGRAM

PARTICLE DETECTION DEVICE, PARTICLE DETECTION SYSTEM, AND PARTICLE...

OPTICAL MEASURING DEVICE AND OPTICAL MEASURING SYSTEM

OPTICAL MEASUREMENT DEVICE AND OPTICAL MEASUREMENT SYSTEM

GUIDANCE CONTROL DEVICE AND GUIDANCE CONTROL METHOD

LASER SCANNING MICROSCOPE SYSTEM AND SAMPLING DEVICE

OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS

RECORDING APPARATUS

LIGHT SOURCE AND RECORDING APPARATUS

OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS

OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS

OPTICAL OSCILLATION DEVICE AND RECORDING APPARATUS

RECORDING APPARATUS

RECORDING APPARATUS

LASER DEVICE, OPTICAL PICKUP, AND OPTICAL DISK DEVICE

LASER DRIVING DEVICE AND LASER DRIVING METHOD

REPRODUCING APPARATUS AND METHOD, SIGNAL PROCESSING APPARATUS AND M...

Optical information reproduction apparatus and optical information...

Optical recording medium processing device and focal point control...

Information recording device and information recording method

Optical pickup apparatus, optical disc apparatus, and tracking cont...

Method of tracking servo for optical pickup device