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Hiroyuki Tomita
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Kohoku-ku, Yokohama-shi, Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Interchangeable lens, camera body, and camera
Patent number
12,050,363
Issue date
Jul 30, 2024
Nikon Corporation
Hiroyuki Tomita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speed calculation device and power conversion device
Patent number
11,870,384
Issue date
Jan 9, 2024
Hitachi Industrial Equipment Systems Co., Ltd.
Hiroshi Watanabe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Magnetic sensor
Patent number
11,719,767
Issue date
Aug 8, 2023
Showa Denko K.K.
Daizo Endo
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic sensor and magnetic sensor device
Patent number
11,719,768
Issue date
Aug 8, 2023
Showa Denko K.K.
Isao Kabe
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic recording medium, fluorine-containing ether compound and l...
Patent number
11,661,478
Issue date
May 30, 2023
Showa Denko K.K.
Takuya Minami
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,639,330
Issue date
May 2, 2023
Showa Denko K.K.
Masaki Nanko
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,555,005
Issue date
Jan 17, 2023
Showa Denko K.K.
Naoya Fukumoto
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Lubricant for magnetic recording medium, and method for producing m...
Patent number
11,514,945
Issue date
Nov 29, 2022
Showa Denko K.K.
Hiroyuki Tomita
G11 - INFORMATION STORAGE
Information
Patent Grant
Focus adjustment apparatus, imaging apparatus and lens barrel
Patent number
11,474,325
Issue date
Oct 18, 2022
Nikon Corporation
Hiroyuki Tomita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focus adjustment apparatus, imaging apparatus and lens barrel
Patent number
11,428,897
Issue date
Aug 30, 2022
Nikon Corporation
Hiroyuki Tomita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,427,779
Issue date
Aug 30, 2022
Showa Denko K.K.
Yuta Yamaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Focus adjustment device and imaging apparatus
Patent number
11,418,698
Issue date
Aug 16, 2022
Nikon Corporation
Hiroaki Takahara
G02 - OPTICS
Information
Patent Grant
Camera body for receiving first and second image plane transfer coe...
Patent number
11,375,099
Issue date
Jun 28, 2022
Nikon Corporation
Hiroyuki Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,292,979
Issue date
Apr 5, 2022
Showa Denko K.K.
Yuta Yamaguchi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,279,664
Issue date
Mar 22, 2022
Showa Denko K.K.
Daisuke Yagyu
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,220,649
Issue date
Jan 11, 2022
Showa Denko K.K.
Naoya Fukumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Data integrated analysis system
Patent number
11,200,528
Issue date
Dec 14, 2021
Hitachi, Ltd.
Norihiko Moriwaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,180,457
Issue date
Nov 23, 2021
Showa Denko K.K.
Tsuyoshi Kato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,011,200
Issue date
May 18, 2021
Showa Denko K.K.
Shoko Uetake
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Exchangeable lens with focus adjustment lens and transceiver for tr...
Patent number
11,006,032
Issue date
May 11, 2021
Nikon Corporation
Hiroyuki Tomita
G02 - OPTICS
Information
Patent Grant
Focus adjustment device and imaging apparatus
Patent number
10,855,905
Issue date
Dec 1, 2020
Nikon Corporation
Hiroaki Takahara
G02 - OPTICS
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
10,803,898
Issue date
Oct 13, 2020
Showa Denko K.K.
Naoya Fukumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Interchangeable lens, camera body, and camera
Patent number
10,732,379
Issue date
Aug 4, 2020
Nikon Corporation
Hiroyuki Tomita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Lens barrel, camera system, and imaging device
Patent number
10,536,620
Issue date
Jan 14, 2020
Nikon Corporation
Hiroyuki Tomita
G02 - OPTICS
Information
Patent Grant
Data integrated analysis system
Patent number
10,445,676
Issue date
Oct 15, 2019
Hitachi, Ltd.
Norihiko Moriwaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Focus adjustment apparatus, imaging apparatus and lens barrel
Patent number
10,302,902
Issue date
May 28, 2019
Nikon Corporation
Hiroyuki Tomita
G02 - OPTICS
Information
Patent Grant
Focus adjustment device having a control unit that drives a focus a...
Patent number
10,250,793
Issue date
Apr 2, 2019
Nikon Corporation
Hiroaki Takahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focus adjustment apparatus, imaging apparatus and lens barrel
Patent number
9,635,239
Issue date
Apr 25, 2017
Nikon Corporation
Hiroyuki Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Focus adjustment device and imaging device
Patent number
8,754,979
Issue date
Jun 17, 2014
Nikon Corporation
Hiroyuki Tomita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Imaging device, image display device, and program with intruding ob...
Patent number
8,587,658
Issue date
Nov 19, 2013
Nikon Corporation
Keiichi Nitta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
FOCUS ADJUSTMENT APPARATUS, IMAGING APPARATUS AND LENS BARREL
Publication number
20240264407
Publication date
Aug 8, 2024
Nikon Corporation
Hiroyuki TOMITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MAGNETIC SENSOR
Publication number
20240111002
Publication date
Apr 4, 2024
Resonac Corporation
Daizo Endo
G01 - MEASURING TESTING
Information
Patent Application
CAMERA BODY FOR RECEIVING FIRST AND SECOND IMAGE PLANE TRANSFER COE...
Publication number
20240056681
Publication date
Feb 15, 2024
Nikon Corporation
Hiroyuki TOMITA
G02 - OPTICS
Information
Patent Application
FOCUS ADJUSTMENT APPARATUS, IMAGING APPARATUS AND LENS BARREL
Publication number
20230273400
Publication date
Aug 31, 2023
Nikon Corporation
Hiroyuki TOMITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING DEVICE AND MAGNETIC SENSOR SYSTEM
Publication number
20220404439
Publication date
Dec 22, 2022
SHOWA DENKO K.K.
Hiroyuki TOMITA
G01 - MEASURING TESTING
Information
Patent Application
FOCUS ADJUSTMENT APPARATUS, IMAGING APPARATUS AND LENS BARREL
Publication number
20220342178
Publication date
Oct 27, 2022
Nikon Corporation
Hiroyuki TOMITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MAGNETIC SENSOR AND MAGNETIC SENSOR DEVICE
Publication number
20220308127
Publication date
Sep 29, 2022
SHOWA DENKO K.K.
Isao KABE
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC SENSOR
Publication number
20220308126
Publication date
Sep 29, 2022
SHOWA DENKO K.K.
Hiroyuki TOMITA
G01 - MEASURING TESTING
Information
Patent Application
CAMERA BODY FOR RECEIVING FIRST AND SECOND IMAGE PLANE TRANSFER COE...
Publication number
20220286598
Publication date
Sep 8, 2022
Nikon Corporation
Hiroyuki TOMITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MAGNETIC SENSOR
Publication number
20220196762
Publication date
Jun 23, 2022
SHOWA DENKO K.K.
Daizo ENDO
G01 - MEASURING TESTING
Information
Patent Application
PROBE PRODUCTION METHOD AND SURFACE OBSERVATION METHOD
Publication number
20220050125
Publication date
Feb 17, 2022
SHOWA DENKO K.K.
Tsuyoshi KATO
G01 - MEASURING TESTING
Information
Patent Application
LENS BARREL, CAMERA SYSTEM, AND IMAGING DEVICE
Publication number
20210243355
Publication date
Aug 5, 2021
Nikon Corporation
Hiroyuki TOMITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20210188766
Publication date
Jun 24, 2021
SHOWA DENKO K.K.
Masaki NANKO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Speed Calculation Device and Power Conversion Device
Publication number
20210075347
Publication date
Mar 11, 2021
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
Hiroshi WATANABE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FOCUS ADJUSTMENT DEVICE AND IMAGING APPARATUS
Publication number
20210006727
Publication date
Jan 7, 2021
Nikon Corporation
Hiroaki TAKAHARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
INTERCHANGEABLE LENS, CAMERA BODY, AND CAMERA
Publication number
20200326502
Publication date
Oct 15, 2020
Nikon Corporation
Hiroyuki TOMITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20200283392
Publication date
Sep 10, 2020
SHOWA DENKO K.K.
Tsuyoshi KATO
G11 - INFORMATION STORAGE
Information
Patent Application
FLUORINE- CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDI...
Publication number
20200263104
Publication date
Aug 20, 2020
SHOWA DENKO K.K.
Yuta YAMAGUCHI
G11 - INFORMATION STORAGE
Information
Patent Application
LENS BARREL, CAMERA SYSTEM, AND IMAGING DEVICE
Publication number
20200120261
Publication date
Apr 16, 2020
Nikon Corporation
Hiroyuki TOMITA
G02 - OPTICS
Information
Patent Application
MAGNETIC RECORDING MEDIUM, FLUORINE-CONTAINING ETHER COMPOUND AND L...
Publication number
20200010619
Publication date
Jan 9, 2020
SHOWA DENKO K.K.
Takuya MINAMI
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND METHOD FOR PRODUCING M...
Publication number
20200005824
Publication date
Jan 2, 2020
SHOWA DENKO K.K.
Hiroyuki TOMITA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20200002258
Publication date
Jan 2, 2020
SHOWA DENKO K.K.
Naoya FUKUMOTO
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
DATA INTEGRATED ANALYSIS SYSTEM
Publication number
20190392362
Publication date
Dec 26, 2019
Hitachi, Ltd
Norihiko MORIWAKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20190382676
Publication date
Dec 19, 2019
SHOWA DENKO K.K.
Yuta YAMAGUCHI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20190382675
Publication date
Dec 19, 2019
SHOWA DENKO K.K.
Naoya FUKUMOTO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
FOCUS ADJUSTMENT DEVICE AND IMAGING APPARATUS
Publication number
20190281207
Publication date
Sep 12, 2019
Nikon Corporation
Hiroaki TAKAHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FOCUS ADJUSTMENT APPARATUS, IMAGING APPARATUS AND LENS BARREL
Publication number
20190243090
Publication date
Aug 8, 2019
Nikon Corporation
Hiroyuki TOMITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20190084911
Publication date
Mar 21, 2019
SHOWA DENKO K.K.
Daisuke YAGYU
G11 - INFORMATION STORAGE
Information
Patent Application
INTERCHANGEABLE LENS, CAMERA BODY, AND CAMERA
Publication number
20180081148
Publication date
Mar 22, 2018
Nikon Corporation
Hiroyuki TOMITA
G02 - OPTICS
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20180047419
Publication date
Feb 15, 2018
SHOWA DENKO K.K.
Naoya FUKUMOTO
G11 - INFORMATION STORAGE