Tadashi Ichikawa

Person

Aichi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Laser radar, and light receiving method of laser radar
- Patent number 10,739,457
- Issue date Aug 11, 2020
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Daisuke Inoue
- G01 - MEASURING TESTING
Information Patent Grant
Switching optical antenna, switching optical antenna array, and opt...
- Patent number 10,209,603
- Issue date Feb 19, 2019
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Daisuke Inoue
- G02 - OPTICS
Information Patent Grant
Diffraction structure, diffraction grating, diffraction grating arr...
- Patent number 9,939,577
- Issue date Apr 10, 2018
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Daisuke Inoue
- G02 - OPTICS
Information Patent Grant
Radar apparatus and method of determining sign of velocity
- Patent number 9,817,121
- Issue date Nov 14, 2017
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Daisuke Inoue
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber laser and exciting method using same
- Patent number 7,903,695
- Issue date Mar 8, 2011
- Hitachi Cable, Ltd.
- Seiji Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device including light-emitting diode and stacked li...
- Patent number 7,897,987
- Issue date Mar 1, 2011
- Toyoda Gosei Co., Ltd.
- Mitsuhiro Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical circuit for condensing laser beams, and light source device
- Patent number 6,973,234
- Issue date Dec 6, 2005
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Kazuo Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming groove by laser
- Patent number 6,268,585
- Issue date Jul 31, 2001
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Tadashi Ichikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical integrated voltage sensor for optically measuring the magni...
- Patent number 5,969,341
- Issue date Oct 19, 1999
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Hiroshi Ito
- G01 - MEASURING TESTING
Information Patent Grant
Stabilizing device for optical modulator
- Patent number 5,907,426
- Issue date May 25, 1999
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Naohiko Kato
- G02 - OPTICS
Information Patent Grant
Optical-optical modulators
- Patent number 5,627,920
- Issue date May 6, 1997
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Naohiko Kato
- G02 - OPTICS
Information Patent Grant
Laser doppler velocimeter
- Patent number 5,587,785
- Issue date Dec 24, 1996
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Satoru Kato
- G01 - MEASURING TESTING
Information Patent Grant
Fiberoptic apparatus for measuring electromagnetic field intensity...
- Patent number 5,278,499
- Issue date Jan 11, 1994
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Hiroshi Ito
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for measuring electromagnetic field intensity using dual...
- Patent number 5,227,715
- Issue date Jul 13, 1993
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Hiroshi Ito
- G01 - MEASURING TESTING
Information Patent Grant
Electric field intensity detecting device having a condenser-type a...
- Patent number 5,210,407
- Issue date May 11, 1993
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Hiroshi Ito
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
LASER RADAR DEVICE
- Publication number 20240329247
- Publication date Oct 3, 2024
- DENSO CORPORATION
- Yuichi TOYOTA
- G01 - MEASURING TESTING
Information Patent Application
LASER RADAR, AND LIGHT RECEIVING METHOD OF LASER RADAR
- Publication number 20200256995
- Publication date Aug 13, 2020
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Daisuke INOUE
- G01 - MEASURING TESTING
Information Patent Application
LASER PROCESSING DEVICE, THREE-DIMENSIONAL SHAPING DEVICE, AND LASE...
- Publication number 20180333807
- Publication date Nov 22, 2018
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Kazuo HASEGAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SWITCHING OPTICAL ANTENNA, SWITCHING OPTICAL ANTENNA ARRAY, AND OPT...
- Publication number 20180088439
- Publication date Mar 29, 2018
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Daisuke INOUE
- G02 - OPTICS
Information Patent Application
DIFFRACTION STRUCTURE, DIFFRACTION GRATING, DIFFRACTION GRATING ARR...
- Publication number 20170307810
- Publication date Oct 26, 2017
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Daisuke INOUE
- G02 - OPTICS
Information Patent Application
RADAR APPARATUS AND METHOD OF DETERMINING SIGN OF VELOCITY
- Publication number 20150185244
- Publication date Jul 2, 2015
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Daisuke INOUE
- G01 - MEASURING TESTING
Information Patent Application
Light-emitting device including light-emitting diode
- Publication number 20090242917
- Publication date Oct 1, 2009
- TOYODA GOSEI CO., LTD
- Mitsuhiro Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FIBER LASER AND EXCITING METHOD USING SAME
- Publication number 20090129411
- Publication date May 21, 2009
- Seiji Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical waveguide type optical coupling arrangement
- Publication number 20090052840
- Publication date Feb 26, 2009
- Hitachi Cable, Ltd.
- Seiji Kojima
- G02 - OPTICS
Information Patent Application
Optical circuit for condensing laser beams, and light source device
- Publication number 20030223685
- Publication date Dec 4, 2003
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Kazuo Hasegawa
- G02 - OPTICS

Tadashi Ichikawa

Person

Patents Grantslast 30 patents

Laser radar, and light receiving method of laser radar

Switching optical antenna, switching optical antenna array, and opt...

Diffraction structure, diffraction grating, diffraction grating arr...

Radar apparatus and method of determining sign of velocity

Optical fiber laser and exciting method using same

Light-emitting device including light-emitting diode and stacked li...

Optical circuit for condensing laser beams, and light source device

Method of forming groove by laser

Optical integrated voltage sensor for optically measuring the magni...

Stabilizing device for optical modulator

Optical-optical modulators

Laser doppler velocimeter

Fiberoptic apparatus for measuring electromagnetic field intensity...

Apparatus for measuring electromagnetic field intensity using dual...

Electric field intensity detecting device having a condenser-type a...

Patents Applicationslast 30 patents

LASER RADAR DEVICE

LASER RADAR, AND LIGHT RECEIVING METHOD OF LASER RADAR

LASER PROCESSING DEVICE, THREE-DIMENSIONAL SHAPING DEVICE, AND LASE...

SWITCHING OPTICAL ANTENNA, SWITCHING OPTICAL ANTENNA ARRAY, AND OPT...

DIFFRACTION STRUCTURE, DIFFRACTION GRATING, DIFFRACTION GRATING ARR...

RADAR APPARATUS AND METHOD OF DETERMINING SIGN OF VELOCITY

Light-emitting device including light-emitting diode

OPTICAL FIBER LASER AND EXCITING METHOD USING SAME

Optical waveguide type optical coupling arrangement

Optical circuit for condensing laser beams, and light source device