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Hiroyuki Tokunaga
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Hiratsuka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Structure and method of manufacturing the same
Patent number
11,103,852
Issue date
Aug 31, 2021
Canon Anelva Corporation
Manabu Ikemoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Motor cooling structure and motor
Patent number
9,627,943
Issue date
Apr 18, 2017
Komatsu Ltd.
Hiroyuki Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrical motor
Patent number
9,583,990
Issue date
Feb 28, 2017
Komatsu Ltd.
Hiroyuki Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Interlock mechanism of motor, and motor
Patent number
9,252,523
Issue date
Feb 2, 2016
Komatsu Ltd.
Hiroyuki Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Liquid discharge head and method for manufacturing the liquid disch...
Patent number
7,963,640
Issue date
Jun 21, 2011
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of forming through hole and method of manufacturing electron...
Patent number
7,799,370
Issue date
Sep 21, 2010
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Polishing apparatus, polishing head and polishing method
Patent number
7,654,883
Issue date
Feb 2, 2010
Sumco Techxiv Corporation
Masamitsu Kitahashi
B24 - GRINDING POLISHING
Information
Patent Grant
Method for producing ink jet recording head
Patent number
7,634,855
Issue date
Dec 22, 2009
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Polishing apparatus, polishing head and polishing method
Patent number
7,507,148
Issue date
Mar 24, 2009
Sumco Techxiv Corporation
Masamitsu Kitahashi
B24 - GRINDING POLISHING
Information
Patent Grant
Method for producing ink jet head
Patent number
7,503,114
Issue date
Mar 17, 2009
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method of manufacturing liquid discharge head and method of manufac...
Patent number
7,497,962
Issue date
Mar 3, 2009
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for producing ink jet head
Patent number
7,207,109
Issue date
Apr 24, 2007
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Ink-jet head, and method for manufacturing the same
Patent number
6,908,563
Issue date
Jun 21, 2005
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrode plate, process for producing the plate, liquid crystal de...
Patent number
6,388,728
Issue date
May 14, 2002
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
G02 - OPTICS
Information
Patent Grant
Liquid crystal device and liquid crystal apparatus
Patent number
6,252,641
Issue date
Jun 26, 2001
Canon Kabushiki Kaisha
Hidetoshi Tsuzuki
G02 - OPTICS
Information
Patent Grant
Electrode plate, process for producing the plate, for an LCD having...
Patent number
6,219,125
Issue date
Apr 17, 2001
Canon Kabushiki Kaisha
Junri Ishikura
G02 - OPTICS
Information
Patent Grant
Liquid crystal device and production process thereof
Patent number
6,154,265
Issue date
Nov 28, 2000
Canon Kabushiki Kaisha
Masaru Kamio
G02 - OPTICS
Information
Patent Grant
Electrode plate, process for producing the plate, liquid crystal de...
Patent number
6,151,085
Issue date
Nov 21, 2000
Canon Kabushiki Kaisha
Haruo Tomono
G02 - OPTICS
Information
Patent Grant
Electrode plate, process for producing the plate, liquid crystal de...
Patent number
6,078,377
Issue date
Jun 20, 2000
Canon Kabushiki Kaisha
Haruo Tomono
G02 - OPTICS
Information
Patent Grant
Electrode plate, process for producing the plate, liquid crystal de...
Patent number
6,023,318
Issue date
Feb 8, 2000
Canon Kabushiki Kaisha
Haruo Tomono
G02 - OPTICS
Information
Patent Grant
Plasma torch
Patent number
5,965,039
Issue date
Oct 12, 1999
Komatsu Ltd.
Masamitsu Kitahashi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process and apparatus for producing electrode plate and process for...
Patent number
5,909,266
Issue date
Jun 1, 1999
Canon Kabushiki Kaisha
Yuji Matsuo
G02 - OPTICS
Information
Patent Grant
Circuit plate, process for producing same and liquid crystal device...
Patent number
5,905,558
Issue date
May 18, 1999
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
G02 - OPTICS
Information
Patent Grant
Liquid crystal device substrate, liquid crystal device, and method...
Patent number
5,838,409
Issue date
Nov 17, 1998
Canon Kabushiki Kaisha
Haruo Tomono
G02 - OPTICS
Information
Patent Grant
Method of forming crystalline compound semiconductor film
Patent number
5,718,761
Issue date
Feb 17, 1998
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
C30 - CRYSTAL GROWTH
Information
Patent Grant
Electrode substrate, process for producing the substrate, liquid cr...
Patent number
5,717,475
Issue date
Feb 10, 1998
Canon Kabushiki Kaisha
Masaru Kamio
G02 - OPTICS
Information
Patent Grant
Method of forming crystal
Patent number
5,690,736
Issue date
Nov 25, 1997
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
III-V compound semiconductor device with a polycrystalline structur...
Patent number
5,659,184
Issue date
Aug 19, 1997
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process of making a semiconductor device using crystal growth by a...
Patent number
5,602,057
Issue date
Feb 11, 1997
Canon Kabushiki Kaisha
Hideshi Kawasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting device, optical recording head utilizing said device...
Patent number
5,548,131
Issue date
Aug 20, 1996
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
STRUCTURE AND METHOD OF MANUFACTURING THE SAME
Publication number
20210362127
Publication date
Nov 25, 2021
Canon ANELVA Corporation
Manabu IKEMOTO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STRUCTURE AND METHOD OF MANUFACTURING THE SAME
Publication number
20200001271
Publication date
Jan 2, 2020
Canon ANELVA Corporation
Manabu IKEMOTO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ELECTRIC MOTOR
Publication number
20150084458
Publication date
Mar 26, 2015
Komatsu Ltd.
Hiroyuki Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MOTOR
Publication number
20140364263
Publication date
Dec 11, 2014
Hiroyuki Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INTERLOCK MECHANISM OF MOTOR, AND MOTOR
Publication number
20140349516
Publication date
Nov 27, 2014
Komatsu Ltd.
Hiroyuki Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRICAL MOTOR
Publication number
20140339937
Publication date
Nov 20, 2014
Hiroyuki Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MOTOR COOLING STRUCTURE AND MOTOR
Publication number
20130334912
Publication date
Dec 19, 2013
Komatsu Ltd.
Hiroyuki Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POLISHING APPARATUS, POLISHING HEAD AND POLISHING METHOD
Publication number
20090156101
Publication date
Jun 18, 2009
KOMATSU DENSHI KINZOKU KABUSHIKI KAISHA
Masamitsu Kitahashi
B24 - GRINDING POLISHING
Information
Patent Application
LIQUID DISCHARGE HEAD AND METHOD FOR MANUFACTURING THE LIQUID DISCH...
Publication number
20080062229
Publication date
Mar 13, 2008
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIGHT CONTROL DEVICE AND DISPLAY
Publication number
20070215945
Publication date
Sep 20, 2007
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING INK JET HEAD
Publication number
20070084054
Publication date
Apr 19, 2007
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method of forming through hole and method of manufacturing electron...
Publication number
20060196598
Publication date
Sep 7, 2006
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Organic transistor and manufacturing method thereof
Publication number
20060157692
Publication date
Jul 20, 2006
Canon Kabushiki Kaisha
Takatsugu Wada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Polishing apparatus, polishing head and polishing method
Publication number
20060057942
Publication date
Mar 16, 2006
Komatsu Denshi Kinzoku Kabushiki Kaisha
Masamitsu Kitahashi
B24 - GRINDING POLISHING
Information
Patent Application
Ink jet recording head and producing method therefor
Publication number
20060028513
Publication date
Feb 9, 2006
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method of manufacturing liquid discharge head and method of manufac...
Publication number
20060027529
Publication date
Feb 9, 2006
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method for producing ink jet head
Publication number
20040194309
Publication date
Oct 7, 2004
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Ink-jet head, and method for manufacturing the same
Publication number
20030098900
Publication date
May 29, 2003
Canon Kabushiki Kaisha
Hiroyuki Tokunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Thermoelectric element and fabrication method thereof
Publication number
20020059950
Publication date
May 23, 2002
Yong-Hoon Lee
H01 - BASIC ELECTRIC ELEMENTS