Kazuhiro HAYAKAWA

Person

Nagoya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Scanning optical device with scanning lens supporting structure
- Patent number 11,300,780
- Issue date Apr 12, 2022
- Brother Kogyo Kabushiki Kaisha
- Kazuhiro Hayakawa
- G02 - OPTICS
Information Patent Grant
Light deflector and polygon mirror
- Patent number 10,451,869
- Issue date Oct 22, 2019
- Brother Kogyo Kabushiki Kaisha
- Kazuhiro Hayakawa
- G02 - OPTICS
Information Patent Grant
Polygon mirror, image forming apparatus, and method for manufacturi...
- Patent number 9,939,566
- Issue date Apr 10, 2018
- Brother Kogyo Kabushiki Kaisha
- Hidetaka Hoshino
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Light deflector
- Patent number 9,851,558
- Issue date Dec 26, 2017
- Brother Kogyo Kabushiki Kaisha
- Kazuhiro Hayakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light deflector and polygon mirror
- Patent number 9,778,457
- Issue date Oct 3, 2017
- Brother Kogyo Kabushiki Kaisha
- Kazuhiro Hayakawa
- G02 - OPTICS
Information Patent Grant
Light deflector and image forming apparatus
- Patent number 9,594,196
- Issue date Mar 14, 2017
- Brother Kogyo Kabushiki Kaisha
- Kazuhiro Hayakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
SCANNING OPTICAL DEVICE
- Publication number 20210041688
- Publication date Feb 11, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuhiro Hayakawa
- G02 - OPTICS
Information Patent Application
LIGHT DEFLECTOR AND POLYGON MIRROR
- Publication number 20170343798
- Publication date Nov 30, 2017
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuhiro HAYAKAWA
- G02 - OPTICS
Information Patent Application
POLYGON MIRROR, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTURI...
- Publication number 20170097450
- Publication date Apr 6, 2017
- BROTHER KOGYO KABUSHIKI KAISHA
- Hidetaka HOSHINO
- G02 - OPTICS
Information Patent Application
Light Deflector and Image Forming Apparatus
- Publication number 20160282524
- Publication date Sep 29, 2016
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuhiro Hayakawa
- G02 - OPTICS
Information Patent Application
LIGHT DEFLECTOR AND IMAGE FORMING APPARATUS
- Publication number 20150346485
- Publication date Dec 3, 2015
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuhiro HAYAKAWA
- G02 - OPTICS
Information Patent Application
LIGHT DEFLECTOR AND POLYGON MIRROR
- Publication number 20150226958
- Publication date Aug 13, 2015
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuhiro HAYAKAWA
- G02 - OPTICS
Information Patent Application
HEAD MOUNTED DISPLAY AND DRIVE METHOD THEREOF
- Publication number 20110267321
- Publication date Nov 3, 2011
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuhiro HAYAKAWA
- G02 - OPTICS
Information Patent Application
LIGHT PIPE, ILLUMINATION OPTICAL SYSTEM AND IMAGE PROJECTION DEVICE
- Publication number 20090244922
- Publication date Oct 1, 2009
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuhiro HAYAKAWA
- G02 - OPTICS

Kazuhiro HAYAKAWA

Person

Patents Grantslast 30 patents

Scanning optical device with scanning lens supporting structure

Light deflector and polygon mirror

Polygon mirror, image forming apparatus, and method for manufacturi...

Light deflector

Light deflector and polygon mirror

Light deflector and image forming apparatus

Patents Applicationslast 30 patents

SCANNING OPTICAL DEVICE

LIGHT DEFLECTOR AND POLYGON MIRROR

POLYGON MIRROR, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTURI...

Light Deflector and Image Forming Apparatus

LIGHT DEFLECTOR AND IMAGE FORMING APPARATUS

LIGHT DEFLECTOR AND POLYGON MIRROR

HEAD MOUNTED DISPLAY AND DRIVE METHOD THEREOF

LIGHT PIPE, ILLUMINATION OPTICAL SYSTEM AND IMAGE PROJECTION DEVICE