Keishi Ueno

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical disk inspection device and inspection method
- Patent number 8,270,274
- Issue date Sep 18, 2012
- Teac Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Demodulation circuit and optical disk drive
- Patent number 8,018,798
- Issue date Sep 13, 2011
- Teac Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 7,983,132
- Issue date Jul 19, 2011
- Teac Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive for adjusting power of a recording laser
- Patent number 7,957,239
- Issue date Jun 7, 2011
- Teac Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Demodulator
- Patent number 7,764,580
- Issue date Jul 27, 2010
- Teac Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Inspection apparatus for optical disk having phase modulated wobble...
- Patent number 7,697,405
- Issue date Apr 13, 2010
- TEAC Coporation
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Grant
A/D conversion circuit and optical disk drive
- Patent number 7,541,955
- Issue date Jun 2, 2009
- Teac Corporation
- Keishi Ueno
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tilt detection system, tilt detection method and tilt adjustment me...
- Patent number 7,436,746
- Issue date Oct 14, 2008
- Teac Corporation
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus
- Patent number 7,298,680
- Issue date Nov 20, 2007
- Teac Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk device setting a gain of an amplifier so that a peak v...
- Patent number 7,212,486
- Issue date May 1, 2007
- Teac Corporation
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk device adapted for reliably detecting pre-pit informat...
- Patent number 7,054,246
- Issue date May 30, 2006
- TEAC Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 6,999,388
- Issue date Feb 14, 2006
- TEAC Corporation
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Grant
Wobble signal detection circuit having a lowpass filter for detecti...
- Patent number 6,992,962
- Issue date Jan 31, 2006
- Teac Corporation
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing circuit and signal processing method
- Patent number 6,876,707
- Issue date Apr 5, 2005
- TEAC Corporation
- Akira Mashimo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tilt detection system, tilt detection method and tilt adjustment me...
- Patent number 6,807,135
- Issue date Oct 19, 2004
- TEAC Corporation
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 6,031,796
- Issue date Feb 29, 2000
- NEC Corporation
- Misao Fukuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 5,914,927
- Issue date Jun 22, 1999
- NEC Corporation
- Misao Fukuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Read circuit providing two different reference levels for reading t...
- Patent number 5,305,157
- Issue date Apr 19, 1994
- TEAC Corporation
- Sumio Wada
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DISK INSPECTION DEVICE AND INSPECTION METHOD
- Publication number 20100091627
- Publication date Apr 15, 2010
- TEAC CORPORATION
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Application
DEMODULATION CIRCUIT AND OPTICAL DISK DRIVE
- Publication number 20080239889
- Publication date Oct 2, 2008
- TEAC CORPORATION
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISK DRIVE
- Publication number 20080239899
- Publication date Oct 2, 2008
- TEAC CORPORATION
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Application
A/D CONVERSION CIRCUIT AND OPTICAL DISK DRIVE
- Publication number 20080074301
- Publication date Mar 27, 2008
- TEAC CORPORATION
- Keishi Ueno
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Optical disk drive
- Publication number 20070211593
- Publication date Sep 13, 2007
- TEAC CORPORATION
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Application
Demodulator
- Publication number 20070091771
- Publication date Apr 26, 2007
- TEAC Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus
- Publication number 20070091747
- Publication date Apr 26, 2007
- TEAC Corporation
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Application
Inspection apparatus for optical disk having phase modulated wobble...
- Publication number 20060092791
- Publication date May 4, 2006
- TEAC CORPORATION.
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc apparatus
- Publication number 20050058053
- Publication date Mar 17, 2005
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Application
Tilt detection system, tilt detection method and tilt adjustment me...
- Publication number 20050025016
- Publication date Feb 3, 2005
- TEAC CORPORATION
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk device setting a gain of an amplifier so that a peak v...
- Publication number 20030081531
- Publication date May 1, 2003
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk device
- Publication number 20030058764
- Publication date Mar 27, 2003
- TEAC CORPORATION.
- Keishi Ueno
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus
- Publication number 20020159345
- Publication date Oct 31, 2002
- TEAC CORPORATION.
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Application
Signal processing circuit and signal processing method
- Publication number 20010014131
- Publication date Aug 16, 2001
- TEAC CORPORATION.
- Akira Mashimo
- H03 - BASIC ELECTRONIC CIRCUITRY

Keishi Ueno

Person

Patents Grantslast 30 patents

Optical disk inspection device and inspection method

Demodulation circuit and optical disk drive

Optical disk apparatus

Optical disk drive for adjusting power of a recording laser

Demodulator

Inspection apparatus for optical disk having phase modulated wobble...

A/D conversion circuit and optical disk drive

Tilt detection system, tilt detection method and tilt adjustment me...

Optical disc apparatus

Optical disk device setting a gain of an amplifier so that a peak v...

Optical disk device adapted for reliably detecting pre-pit informat...

Optical disk apparatus

Wobble signal detection circuit having a lowpass filter for detecti...

Signal processing circuit and signal processing method

Tilt detection system, tilt detection method and tilt adjustment me...

Optical disk apparatus

Optical disk apparatus

Read circuit providing two different reference levels for reading t...

Patents Applicationslast 30 patents

OPTICAL DISK INSPECTION DEVICE AND INSPECTION METHOD

DEMODULATION CIRCUIT AND OPTICAL DISK DRIVE

OPTICAL DISK DRIVE

A/D CONVERSION CIRCUIT AND OPTICAL DISK DRIVE

Optical disk drive

Demodulator

Optical disk apparatus

Inspection apparatus for optical disk having phase modulated wobble...

Optical disc apparatus

Tilt detection system, tilt detection method and tilt adjustment me...

Optical disk device setting a gain of an amplifier so that a peak v...

Optical disk device

Optical disk apparatus

Signal processing circuit and signal processing method