Takashi Kikukawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Transceiver device
- Patent number 12,107,631
- Issue date Oct 1, 2024
- TDK Corporation
- Hideaki Fukuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transceiver device
- Patent number 12,068,784
- Issue date Aug 20, 2024
- TDK Corporation
- Hideaki Fukuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transceiver device
- Patent number 11,722,222
- Issue date Aug 8, 2023
- TDK Corporation
- Hideaki Fukuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator
- Patent number 11,003,043
- Issue date May 11, 2021
- TDK Corporation
- Yasuhiro Ohmori
- G02 - OPTICS
Information Patent Grant
Electro-optic device
- Patent number 11,003,044
- Issue date May 11, 2021
- TDK Corporation
- Hiroki Hara
- G02 - OPTICS
Information Patent Grant
Optical modulator
- Patent number 10,989,980
- Issue date Apr 27, 2021
- TDK Corporation
- Shinji Iwatsuka
- G02 - OPTICS
Information Patent Grant
Biosensor and biochip
- Patent number 10,948,395
- Issue date Mar 16, 2021
- TDK Corporation
- Susumu Haratani
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber member and optical fiber holder
- Patent number 10,921,522
- Issue date Feb 16, 2021
- TDK Corporation
- Hiroki Hara
- G02 - OPTICS
Information Patent Grant
Chemical sensor
- Patent number 10,799,863
- Issue date Oct 13, 2020
- TDK Corporation
- Sachio Tsuboike
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Chemical sensor
- Patent number 10,801,993
- Issue date Oct 13, 2020
- TDK Corporation
- Sachio Tsuboike
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Chemical sensor
- Patent number 10,799,864
- Issue date Oct 13, 2020
- TDK Corporation
- Sachio Tsuboike
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical recording and reading method, optical recording and reading...
- Patent number 9,007,883
- Issue date Apr 14, 2015
- TDK Corporation
- Motohiro Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive device
- Patent number 8,830,803
- Issue date Sep 9, 2014
- TDK Corporation
- Tetsuya Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Series of optical recording media
- Patent number 8,649,250
- Issue date Feb 11, 2014
- TDK Corporation
- Hideki Hirata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and reading method, optical recording and reading...
- Patent number 8,630,156
- Issue date Jan 14, 2014
- TDK Corporation
- Motohiro Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and information recording apparatus
- Patent number 8,588,045
- Issue date Nov 19, 2013
- TDK Corporation
- Takashi Kikukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer optical recording medium
- Patent number 8,582,415
- Issue date Nov 12, 2013
- TDK Corporation
- Atsuko Kosuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer optical recording medium
- Patent number 8,518,514
- Issue date Aug 27, 2013
- TDK Corporation
- Takashi Kikukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer optical recording medium
- Patent number 8,518,515
- Issue date Aug 27, 2013
- TDK Corporation
- Takashi Kikukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium, and series of optical recording media
- Patent number 8,520,481
- Issue date Aug 27, 2013
- TDK Corporation
- Takashi Kikukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer optical recording medium
- Patent number 8,518,513
- Issue date Aug 27, 2013
- TDK Corporation
- Motohiro Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical recording-reading method
- Patent number 8,427,932
- Issue date Apr 23, 2013
- TDK Corporation
- Motohiro Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and method for manufacturing the same
- Patent number 8,409,686
- Issue date Apr 2, 2013
- TDK Corporation
- Hiroyasu Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for evaluating read signal
- Patent number 8,385,174
- Issue date Feb 26, 2013
- TDK Corporation
- Takashi Kikukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and recording and reading method of optica...
- Patent number 8,355,308
- Issue date Jan 15, 2013
- TDK Corporation
- Hidetake Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording-reading method and optical recording medium
- Patent number 8,339,908
- Issue date Dec 25, 2012
- TDK Corporation
- Motohiro Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical reading method and optical reading system
- Patent number 8,339,918
- Issue date Dec 25, 2012
- TDK Corporation
- Takashi Kikukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and method for reproducing the same
- Patent number 8,238,214
- Issue date Aug 7, 2012
- TDK Corporation
- Koji Mishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer optical disc
- Patent number 8,233,374
- Issue date Jul 31, 2012
- Hitachi Consumer Electronics Co., Ltd.
- Yoshinori Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical recording-reading method
- Patent number 8,213,279
- Issue date Jul 3, 2012
- TDK Corporation
- Atsuko Kosuda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL COUPLER AND VISIBLE LIGHT SOURCE MODULE
- Publication number 20240126015
- Publication date Apr 18, 2024
- TDK Corporation
- Hajime UTSUNOMIYA
- G02 - OPTICS
Information Patent Application
TRANSCEIVER DEVICE
- Publication number 20230327773
- Publication date Oct 12, 2023
- TDK Corporation
- Hideaki FUKUZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULATION ELEMENT
- Publication number 20230296929
- Publication date Sep 21, 2023
- TDK Corporation
- Hiroki HARA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE UNIT, OPTICAL ENGINE INCLUDING THE SAME, SMART GLASS,...
- Publication number 20230229056
- Publication date Jul 20, 2023
- TDK Corporation
- Hideaki FUKUZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULATOR AND METHOD FOR DRIVING OPTICAL MODULATION ELEMENT
- Publication number 20230229030
- Publication date Jul 20, 2023
- TDK Corporation
- Hajime UTSUNOMIYA
- G02 - OPTICS
Information Patent Application
OPTICAL CIRCUIT ELEMENT
- Publication number 20230228941
- Publication date Jul 20, 2023
- TDK Corporation
- Hiroki HARA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR AND DRIVING METHOD OF OPTICAL MODULATION ELEMENT
- Publication number 20230213791
- Publication date Jul 6, 2023
- TDK Corporation
- Hajime UTSUNOMIYA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATION ELEMENT AND METHOD FOR DRIVING OPTICAL MODULATIO...
- Publication number 20230176403
- Publication date Jun 8, 2023
- TDK Corporation
- Hajime UTSUNOMIYA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE AND OPTICAL SYSTEM
- Publication number 20220317484
- Publication date Oct 6, 2022
- TDK Corporation
- Tetsuya SHIBATA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATION ELEMENT AND OPTICAL MODULATOR
- Publication number 20220276513
- Publication date Sep 1, 2022
- TDK Corporation
- Hajime UTSUNOMIYA
- G02 - OPTICS
Information Patent Application
TRANSCEIVER DEVICE
- Publication number 20220131612
- Publication date Apr 28, 2022
- TDK Corporation
- Hideaki FUKUZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE, INFORMATION TERMINAL, COMMUNICATION SYSTEM, AN...
- Publication number 20220060260
- Publication date Feb 24, 2022
- TDK Corporation
- Hideaki FUKUZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULATOR
- Publication number 20200272020
- Publication date Aug 27, 2020
- FUJITSU OPTICAL COMPONENTS LIMITED
- Yasuhiro Ohmori
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20200271963
- Publication date Aug 27, 2020
- TDK Corporation
- Shinji Iwatsuka
- G02 - OPTICS
Information Patent Application
ELECTRO-OPTIC DEVICE
- Publication number 20200272021
- Publication date Aug 27, 2020
- FUJITSU OPTICAL COMPONENTS LIMITED
- Hiroki HARA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER MEMBER AND OPTICAL FIBER HOLDER
- Publication number 20200049888
- Publication date Feb 13, 2020
- TDK Corporation
- Hiroki HARA
- G02 - OPTICS
Information Patent Application
BIOSENSOR AND BIOCHIP
- Publication number 20190224671
- Publication date Jul 25, 2019
- TDK Corporation
- Susumu HARATANI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DETECTION SYSTEM, DETECTION APPARATUS, AND DETECTION METHOD
- Publication number 20190154676
- Publication date May 23, 2019
- TDK Corporation
- Haruki YUGA
- G01 - MEASURING TESTING
Information Patent Application
BIOSENSOR AND BIOCHIP
- Publication number 20190128882
- Publication date May 2, 2019
- TDK Corporation
- Susumu HARATANI
- G01 - MEASURING TESTING
Information Patent Application
CHEMICAL SENSOR
- Publication number 20190120794
- Publication date Apr 25, 2019
- TDK Corporation
- Sachio TSUBOIKE
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
CHEMICAL SENSOR
- Publication number 20190113479
- Publication date Apr 18, 2019
- TDK Corporation
- Sachio TSUBOIKE
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
CHEMICAL SENSOR
- Publication number 20190107512
- Publication date Apr 11, 2019
- TDK Corporation
- Sachio TSUBOIKE
- G01 - MEASURING TESTING
Information Patent Application
BIOSENSOR AND BIOCHIP
- Publication number 20190064046
- Publication date Feb 28, 2019
- TDK Corporation
- Susumu HARATANI
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL RECORDING AND READING METHOD, OPTICAL RECORDING AND READING...
- Publication number 20140169147
- Publication date Jun 19, 2014
- Motohiro INOUE
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING AND READING DEVICE AND OPTICAL RECORDING AND READ...
- Publication number 20120230174
- Publication date Sep 13, 2012
- Takashi KIKUKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MULTILAYER OPTICAL RECORDING MEDIUM
- Publication number 20120201118
- Publication date Aug 9, 2012
- Atsuko KOSUDA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING AND READING METHOD, OPTICAL RECORDING AND READING...
- Publication number 20120201110
- Publication date Aug 9, 2012
- Motohiro INOUE
- G11 - INFORMATION STORAGE
Information Patent Application
MULTILAYER OPTICAL RECORDING MEDIUM
- Publication number 20120102511
- Publication date Apr 26, 2012
- Takashi KIKUKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MULTILAYER OPTICAL RECORDING MEDIUM
- Publication number 20120102510
- Publication date Apr 26, 2012
- Takashi Kikukawa
- G11 - INFORMATION STORAGE
Information Patent Application
MULTILAYER OPTICAL RECORDING MEDIUM
- Publication number 20120102509
- Publication date Apr 26, 2012
- Motohiro INOUE
- G11 - INFORMATION STORAGE

Takashi Kikukawa

Person

Patents Grantslast 30 patents

Transceiver device

Transceiver device

Transceiver device

Optical modulator

Electro-optic device

Optical modulator

Biosensor and biochip

Optical fiber member and optical fiber holder

Chemical sensor

Chemical sensor

Chemical sensor

Optical recording and reading method, optical recording and reading...

Optical drive device

Series of optical recording media

Optical recording and reading method, optical recording and reading...

Information recording method and information recording apparatus

Multilayer optical recording medium

Multilayer optical recording medium

Multilayer optical recording medium

Optical recording medium, and series of optical recording media

Multilayer optical recording medium

Optical recording medium and optical recording-reading method

Optical recording medium and method for manufacturing the same

Method for evaluating read signal

Optical recording medium and recording and reading method of optica...

Optical recording-reading method and optical recording medium

Optical reading method and optical reading system

Optical recording medium and method for reproducing the same

Multilayer optical disc

Optical recording medium and optical recording-reading method

Patents Applicationslast 30 patents

OPTICAL COUPLER AND VISIBLE LIGHT SOURCE MODULE

TRANSCEIVER DEVICE

OPTICAL MODULATION ELEMENT

LIGHT SOURCE UNIT, OPTICAL ENGINE INCLUDING THE SAME, SMART GLASS,...

OPTICAL MODULATOR AND METHOD FOR DRIVING OPTICAL MODULATION ELEMENT

OPTICAL CIRCUIT ELEMENT

OPTICAL MODULATOR AND DRIVING METHOD OF OPTICAL MODULATION ELEMENT

OPTICAL MODULATION ELEMENT AND METHOD FOR DRIVING OPTICAL MODULATIO...

OPTICAL DEVICE AND OPTICAL SYSTEM

OPTICAL MODULATION ELEMENT AND OPTICAL MODULATOR

TRANSCEIVER DEVICE

TRANSMISSION DEVICE, INFORMATION TERMINAL, COMMUNICATION SYSTEM, AN...

OPTICAL MODULATOR

OPTICAL MODULATOR

ELECTRO-OPTIC DEVICE

OPTICAL FIBER MEMBER AND OPTICAL FIBER HOLDER

BIOSENSOR AND BIOCHIP

DETECTION SYSTEM, DETECTION APPARATUS, AND DETECTION METHOD

BIOSENSOR AND BIOCHIP

CHEMICAL SENSOR

CHEMICAL SENSOR

CHEMICAL SENSOR

BIOSENSOR AND BIOCHIP

OPTICAL RECORDING AND READING METHOD, OPTICAL RECORDING AND READING...

OPTICAL RECORDING AND READING DEVICE AND OPTICAL RECORDING AND READ...

MULTILAYER OPTICAL RECORDING MEDIUM

OPTICAL RECORDING AND READING METHOD, OPTICAL RECORDING AND READING...

MULTILAYER OPTICAL RECORDING MEDIUM

MULTILAYER OPTICAL RECORDING MEDIUM

MULTILAYER OPTICAL RECORDING MEDIUM