Kazuo Hasegawa

Person

Nishin-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber laser device
- Patent number 11,424,589
- Issue date Aug 23, 2022
- Toyota Jidosha Kabushiki Kaisha
- Kazuo Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
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
Reflector, fiber cavity, and fiber laser
- Patent number 10,693,273
- Issue date Jun 23, 2020
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Kazuo Hasegawa
- 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
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
Optical branching devices
- Patent number 6,081,639
- Issue date Jun 27, 2000
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Manabu Kagami
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER LASER DEVICE
- Publication number 20200358245
- Publication date Nov 12, 2020
- Toyota Jidosha Kabushiki Kaisha
- Kazuo HASEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
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
REFLECTOR, FIBER CAVITY, AND FIBER LASER
- Publication number 20190089112
- Publication date Mar 21, 2019
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Kazuo HASEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER PROCESSING DEVICE, LASER PROCESSING METHOD, OPTICAL SYSTEM, A...
- Publication number 20180345404
- Publication date Dec 6, 2018
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Kazuo HASEGAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
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
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

Kazuo Hasegawa

Person

Patents Grantslast 30 patents

Optical fiber laser device

Laser radar, and light receiving method of laser radar

Reflector, fiber cavity, and fiber laser

Radar apparatus and method of determining sign of velocity

Optical fiber laser and exciting method using same

Optical circuit for condensing laser beams, and light source device

Optical branching devices

Patents Applicationslast 30 patents

OPTICAL FIBER LASER DEVICE

LASER RADAR, AND LIGHT RECEIVING METHOD OF LASER RADAR

REFLECTOR, FIBER CAVITY, AND FIBER LASER

LASER PROCESSING DEVICE, LASER PROCESSING METHOD, OPTICAL SYSTEM, A...

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

RADAR APPARATUS AND METHOD OF DETERMINING SIGN OF VELOCITY

OPTICAL FIBER LASER AND EXCITING METHOD USING SAME

Optical waveguide type optical coupling arrangement

Optical circuit for condensing laser beams, and light source device