Koichi Tezuka

Person

Kobe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Distance measuring apparatus, distance measuring method, and non-tr...
- Patent number 11,169,247
- Issue date Nov 9, 2021
- Fujitsu Limited
- Takeshi Morikawa
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus, method for distance measurement, and non-transitory comp...
- Patent number 10,761,194
- Issue date Sep 1, 2020
- Fujitsu Limited
- Koichi Iida
- G01 - MEASURING TESTING
Information Patent Grant
Distance measuring apparatus and distance measuring method
- Patent number 10,705,195
- Issue date Jul 7, 2020
- Fujitsu Limited
- Takeshi Morikawa
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus, method for laser distance measurement, and non-transitor...
- Patent number 10,627,493
- Issue date Apr 21, 2020
- Fujitsu Limited
- Takeshi Morikawa
- G01 - MEASURING TESTING
Information Patent Grant
Distance measurement device, distance measurement system and distan...
- Patent number 10,620,303
- Issue date Apr 14, 2020
- Fujitsu Limited
- Takeshi Morikawa
- G01 - MEASURING TESTING
Information Patent Grant
Distance measuring device, distance measuring method, and non-trans...
- Patent number 10,571,568
- Issue date Feb 25, 2020
- Fujitsu Limited
- Koichi Iida
- G01 - MEASURING TESTING
Information Patent Grant
Distance measuring apparatus, distance measuring method, and table...
- Patent number 10,444,358
- Issue date Oct 15, 2019
- Fujitsu Limited
- Koichi Tezuka
- G01 - MEASURING TESTING
Information Patent Grant
Distance measurement apparatus, and distance measurement method
- Patent number 9,207,074
- Issue date Dec 8, 2015
- Fujitsu Limited
- Koichi Iida
- G01 - MEASURING TESTING
Information Patent Grant
Object detection apparatus and method
- Patent number 9,046,599
- Issue date Jun 2, 2015
- Fujitsu Limited
- Takeshi Morikawa
- G01 - MEASURING TESTING
Information Patent Grant
Objective lens for recording hologram and hologram recording device
- Patent number 8,295,142
- Issue date Oct 23, 2012
- Fujitsu Limited
- Yuzuru Yamakage
- G11 - INFORMATION STORAGE
Information Patent Grant
Hologram recorder
- Patent number 8,223,413
- Issue date Jul 17, 2012
- Fujitsu Limited
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Grant
Hologram recording apparatus and hologram recording/reproducing method
- Patent number 7,751,105
- Issue date Jul 6, 2010
- Fujitsu Limited
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Grant
Hologram recording device
- Patent number 7,719,734
- Issue date May 18, 2010
- Fujitsu Limited
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Grant
Hologram recorder
- Patent number 7,715,073
- Issue date May 11, 2010
- Fujitsu Limited
- Hiroyasu Yoshikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive
- Patent number 7,545,726
- Issue date Jun 9, 2009
- Fujitsu Limited
- Kyoko Tadaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical head and magneto-optical disk drive
- Patent number 7,127,729
- Issue date Oct 24, 2006
- Fujitsu Limited
- Goro Kawasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus with fine tracking mechanism
- Patent number 7,039,926
- Issue date May 2, 2006
- Fujitsu Limited
- Koichi Tezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head having a plurality of coil elements connected in paral...
- Patent number 6,898,157
- Issue date May 24, 2005
- Fujitsu Limited
- Tohru Fujimaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head having a plurality of coil elements connected in paral...
- Patent number 6,567,347
- Issue date May 20, 2003
- Fujitsu Limited
- Tohru Fujimaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus
- Patent number 6,339,564
- Issue date Jan 15, 2002
- Fujitsu Limited
- Koichi Tezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head unit for optical disk apparatus having both focus cont...
- Patent number 6,272,079
- Issue date Aug 7, 2001
- Fujitsu Limited
- Nobuyuki Kanto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus
- Patent number 6,185,166
- Issue date Feb 6, 2001
- Fujitsu Limited
- Koichi Tezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking and focus control system for optical disk apparatus
- Patent number 5,859,819
- Issue date Jan 12, 1999
- Fujitsu, Limited
- Kyoko Miyabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus having a compos...
- Patent number 5,793,725
- Issue date Aug 11, 1998
- Fujitsu Limited
- Koichi Tezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus which detects f...
- Patent number 5,742,572
- Issue date Apr 21, 1998
- Fujitsu Limited
- Koichi Tezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus
- Patent number 5,623,462
- Issue date Apr 22, 1997
- Fujitsu Limited
- Koichi Tezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head unit for an optical disk using a diffraction grating
- Patent number 5,619,482
- Issue date Apr 8, 1997
- Fujitsu Limited
- Koichi Tezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data recording/reproducing device and integrated head
- Patent number 5,600,618
- Issue date Feb 4, 1997
- Fujitsu Limited
- Koichi Tezuka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
RANGING DEVICE, COMPUTER-READABLE RECORDING MEDIUM STORING RANGING...
- Publication number 20230358535
- Publication date Nov 9, 2023
- Fujitsu Limited
- Koichi IIDA
- G01 - MEASURING TESTING
Information Patent Application
DISTANCE MEASUREMENT APPARATUS, ANGLE-OF-VIEW CONTROL METHOD, AND C...
- Publication number 20220411258
- Publication date Dec 29, 2022
- Fujitsu Limited
- Koichi Iida
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
MEASUREMENT SYSTEM, MEASUREMENT APPARATUS, AND MEASUREMENT METHOD
- Publication number 20220308213
- Publication date Sep 29, 2022
- Fujitsu Limited
- Katsushi Sakai
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
DISTANCE MEASUREMENT DEVICE, DISTANCE MEASUREMENT METHOD, AND NON-T...
- Publication number 20220018937
- Publication date Jan 20, 2022
- Fujitsu Limited
- Koichi Tezuka
- G01 - MEASURING TESTING
Information Patent Application
MEASUREMENT METHODS, MEASUREMENT DEVICES, AND STORAGE MEDIUMS
- Publication number 20210325534
- Publication date Oct 21, 2021
- Fujitsu Limited
- Katsushi Sakai
- G01 - MEASURING TESTING
Information Patent Application
DISTANCE MEASURING APPARATUS, DISTANCE MEASURING METHOD, AND NON-TR...
- Publication number 20190072652
- Publication date Mar 7, 2019
- Fujitsu Limited
- Takeshi MORIKAWA
- G01 - MEASURING TESTING
Information Patent Application
DISTANCE MEASURING DEVICE, DISTANCE MEASURING METHOD, AND NON-TRANS...
- Publication number 20180106903
- Publication date Apr 19, 2018
- Fujitsu Limited
- Koichi Iida
- G01 - MEASURING TESTING
Information Patent Application
DISTANCE MEASURING APPARATUS AND DISTANCE MEASURING METHOD
- Publication number 20180106894
- Publication date Apr 19, 2018
- Fujitsu Limited
- Takeshi MORIKAWA
- G01 - MEASURING TESTING
Information Patent Application
DISTANCE MEASUREMENT DEVICE, DISTANCE MEASUREMENT SYSTEM AND DISTAN...
- Publication number 20180100917
- Publication date Apr 12, 2018
- Fujitsu Limited
- Takeshi MORIKAWA
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS, METHOD FOR DISTANCE MEASUREMENT, AND NON-TRANSITORY COMP...
- Publication number 20170285146
- Publication date Oct 5, 2017
- Fujitsu Limited
- Koichi IIDA
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS, METHOD FOR LASER DISTANCE MEASUREMENT, AND NON-TRANSITOR...
- Publication number 20170199273
- Publication date Jul 13, 2017
- Fujitsu Limited
- Takeshi MORIKAWA
- G01 - MEASURING TESTING
Information Patent Application
DISTANCE MEASURING APPARATUS, DISTANCE MEASURING METHOD, AND TABLE...
- Publication number 20170102461
- Publication date Apr 13, 2017
- Fujitsu Limited
- Koichi TEZUKA
- G01 - MEASURING TESTING
Information Patent Application
DISTANCE MEASUREMENT APPARATUS, AND DISTANCE MEASUREMENT METHOD
- Publication number 20140168630
- Publication date Jun 19, 2014
- Fujitsu Limited
- Koichi IIDA
- G01 - MEASURING TESTING
Information Patent Application
OBJECT DETECTION APPARATUS AND METHOD
- Publication number 20140062759
- Publication date Mar 6, 2014
- Takeshi MORIKAWA
- G01 - MEASURING TESTING
Information Patent Application
HOLOGRAM RECORDING DEVICE
- Publication number 20100271922
- Publication date Oct 28, 2010
- Fujitsu Limited
- Yasumasa Iwamura
- G11 - INFORMATION STORAGE
Information Patent Application
OBJECTIVE LENS FOR RECORDING HOLOGRAM AND HOLOGRAM RECORDING DEVICE
- Publication number 20100202271
- Publication date Aug 12, 2010
- Fujitsu Limited
- Yuzuru Yamakage
- G02 - OPTICS
Information Patent Application
HOLOGRAM REPRODUCING DEVICE AND HOLOGRAM REPRODUCING METHOD
- Publication number 20100195179
- Publication date Aug 5, 2010
- Fujitsu Limited
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Application
HOLOGRAM RECORDER
- Publication number 20100182664
- Publication date Jul 22, 2010
- Fujitsu Limited
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Application
HOLOGRAM RECORDING/REPRODUCING DEVICE, HOLOGRAM RECORDING/REPRODUCI...
- Publication number 20090279153
- Publication date Nov 12, 2009
- Fujitsu Limited
- Yasumasa Iwamura
- G11 - INFORMATION STORAGE
Information Patent Application
HOLOGRAM RECORDING APPARATUS AND HOLOGRAM RECORDING/REPRODUCING METHOD
- Publication number 20090135459
- Publication date May 28, 2009
- Fujitsu Limited
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Application
HOLOGRAM RECORDING DEVICE
- Publication number 20090128874
- Publication date May 21, 2009
- Fujitsu Limited
- Yasumasa Iwamura
- G11 - INFORMATION STORAGE
Information Patent Application
HOLOGRAM RECORDING DEVICE AND HOLOGRAM RECORDING METHOD
- Publication number 20090129234
- Publication date May 21, 2009
- Fujitsu Limited
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Application
HOLOGRAM RECORDING DEVICE
- Publication number 20090128876
- Publication date May 21, 2009
- Fujitsu Limited
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Application
HOLOGRAM RECORDER
- Publication number 20080239421
- Publication date Oct 2, 2008
- Fujitsu Limited
- Hiroyasu Yoshikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc drive
- Publication number 20070041304
- Publication date Feb 22, 2007
- FUJITSU LIMITED
- Kyoko Tadaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical head and magneto-optical disk drive
- Publication number 20050094671
- Publication date May 5, 2005
- FUJITSU LIMITED
- Goro Kawasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Floating slider, and magneto-optical storage device comprising it
- Publication number 20050078564
- Publication date Apr 14, 2005
- Goro Kawasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head and coil assembly used for the same
- Publication number 20040027929
- Publication date Feb 12, 2004
- Fujitsu Limited
- Tohru Fujimaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus with different transmission factors for pola...
- Publication number 20030223345
- Publication date Dec 4, 2003
- FUJITSU LIMITED
- Kazushi Uno
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information processing apparatus incorporating diffraction...
- Publication number 20030151989
- Publication date Aug 14, 2003
- FUJITSU LIMITED
- Koichi Tezuka
- G11 - INFORMATION STORAGE

Koichi Tezuka

Person

Patents Grantslast 30 patents

Distance measuring apparatus, distance measuring method, and non-tr...

Apparatus, method for distance measurement, and non-transitory comp...

Distance measuring apparatus and distance measuring method

Apparatus, method for laser distance measurement, and non-transitor...

Distance measurement device, distance measurement system and distan...

Distance measuring device, distance measuring method, and non-trans...

Distance measuring apparatus, distance measuring method, and table...

Distance measurement apparatus, and distance measurement method

Object detection apparatus and method

Objective lens for recording hologram and hologram recording device

Hologram recorder

Hologram recording apparatus and hologram recording/reproducing method

Hologram recording device

Hologram recorder

Optical disc drive

Magneto-optical head and magneto-optical disk drive

Optical disk apparatus with fine tracking mechanism

Optical head having a plurality of coil elements connected in paral...

Optical head having a plurality of coil elements connected in paral...

Optical information recording/reproducing apparatus

Optical head unit for optical disk apparatus having both focus cont...

Optical information recording/reproducing apparatus

Tracking and focus control system for optical disk apparatus

Optical information recording/reproducing apparatus having a compos...

Optical information recording/reproducing apparatus which detects f...

Optical information recording/reproducing apparatus

Optical head unit for an optical disk using a diffraction grating

Optical data recording/reproducing device and integrated head

Patents Applicationslast 30 patents

RANGING DEVICE, COMPUTER-READABLE RECORDING MEDIUM STORING RANGING...

DISTANCE MEASUREMENT APPARATUS, ANGLE-OF-VIEW CONTROL METHOD, AND C...

MEASUREMENT SYSTEM, MEASUREMENT APPARATUS, AND MEASUREMENT METHOD

DISTANCE MEASUREMENT DEVICE, DISTANCE MEASUREMENT METHOD, AND NON-T...

MEASUREMENT METHODS, MEASUREMENT DEVICES, AND STORAGE MEDIUMS

DISTANCE MEASURING APPARATUS, DISTANCE MEASURING METHOD, AND NON-TR...

DISTANCE MEASURING DEVICE, DISTANCE MEASURING METHOD, AND NON-TRANS...

DISTANCE MEASURING APPARATUS AND DISTANCE MEASURING METHOD

DISTANCE MEASUREMENT DEVICE, DISTANCE MEASUREMENT SYSTEM AND DISTAN...

APPARATUS, METHOD FOR DISTANCE MEASUREMENT, AND NON-TRANSITORY COMP...

APPARATUS, METHOD FOR LASER DISTANCE MEASUREMENT, AND NON-TRANSITOR...

DISTANCE MEASURING APPARATUS, DISTANCE MEASURING METHOD, AND TABLE...

DISTANCE MEASUREMENT APPARATUS, AND DISTANCE MEASUREMENT METHOD

OBJECT DETECTION APPARATUS AND METHOD

HOLOGRAM RECORDING DEVICE

OBJECTIVE LENS FOR RECORDING HOLOGRAM AND HOLOGRAM RECORDING DEVICE

HOLOGRAM REPRODUCING DEVICE AND HOLOGRAM REPRODUCING METHOD

HOLOGRAM RECORDER

HOLOGRAM RECORDING/REPRODUCING DEVICE, HOLOGRAM RECORDING/REPRODUCI...

HOLOGRAM RECORDING APPARATUS AND HOLOGRAM RECORDING/REPRODUCING METHOD

HOLOGRAM RECORDING DEVICE

HOLOGRAM RECORDING DEVICE AND HOLOGRAM RECORDING METHOD

HOLOGRAM RECORDING DEVICE

HOLOGRAM RECORDER

Optical disc drive

Magneto-optical head and magneto-optical disk drive

Floating slider, and magneto-optical storage device comprising it

Optical head and coil assembly used for the same

Optical disk apparatus with different transmission factors for pola...

Optical information processing apparatus incorporating diffraction...