Masafumi YOKOYAMA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Run-flat radial tire
- Patent number 10,464,378
- Issue date Nov 5, 2019
- Bridgestone Corporation
- Masafumi Yokoyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Light modulating device
- Patent number 9,772,484
- Issue date Sep 26, 2017
- Citizen Watch Co., Ltd.
- Kenji Matsumoto
- G02 - OPTICS
Information Patent Grant
Aberration correction device and laser microscope
- Patent number 9,594,238
- Issue date Mar 14, 2017
- Citizen Watch Co., Ltd.
- Kenji Matsumoto
- G02 - OPTICS
Information Patent Grant
Phase modulation device and laser microscope
- Patent number 9,383,573
- Issue date Jul 5, 2016
- Citizen Holdings Co., Ltd.
- Kenji Matsumoto
- G02 - OPTICS
Information Patent Grant
Polarization conversion element
- Patent number 9,257,141
- Issue date Feb 9, 2016
- Citizen Holdings Co., Ltd.
- Nobuyuki Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Light modulator element and microscope apparatus including light mo...
- Patent number 9,176,333
- Issue date Nov 3, 2015
- Citizen Holdings Co., Ltd.
- Masafumi Yokoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor substrate, field-effect transistor, integrated circui...
- Patent number 9,112,035
- Issue date Aug 18, 2015
- Sumitomo Chemical Company, Limited
- Hisashi Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor wafer, field-effect transistor, method of producing s...
- Patent number 8,901,656
- Issue date Dec 2, 2014
- Sumitomo Chemical Company, Limited
- Takeshi Aoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field-effect transistor, semiconductor wafer, method for producing...
- Patent number 8,779,471
- Issue date Jul 15, 2014
- Sumitomo Chemical Company, Limited
- Masahiko Hata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid crystal fresnel lens
- Patent number 8,243,251
- Issue date Aug 14, 2012
- Citizen Holdings Co., Ltd.
- Masafumi Yokoyama
- G02 - OPTICS
Information Patent Grant
LED light source and method for adjusting chromaticity of LED light...
- Patent number 7,884,545
- Issue date Feb 8, 2011
- Citizen Holdings Co., Ltd.
- Masafumi Yokoyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Exposure device
- Patent number 7,570,388
- Issue date Aug 4, 2009
- Citizen Holdings Co., Ltd.
- Masafumi Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for determining a correction value for light-emitting parts...
- Patent number 7,349,003
- Issue date Mar 25, 2008
- Citizen Holdings Co., Ltd.
- Akira Shiota
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid crystal exposure device
- Patent number 7,271,798
- Issue date Sep 18, 2007
- Citizen Holdings Co., Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light source for an optical apparatus in which the amount of light...
- Patent number 7,015,446
- Issue date Mar 21, 2006
- Citizen Watch Co., Ltd.
- Masafumi Yokoyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical printer device that forms color images
- Patent number 6,720,986
- Issue date Apr 13, 2004
- Citizen Watch Co., Ltd.
- Sadao Masubuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical printer
- Patent number 6,445,403
- Issue date Sep 3, 2002
- Citizen Watch Co., Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line-scanning optical printer
- Patent number 6,366,338
- Issue date Apr 2, 2002
- Citizen Watch Co. Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical printer apparatus
- Patent number 6,275,247
- Issue date Aug 14, 2001
- Citizen Watch Co., Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical printer
- Patent number 6,262,757
- Issue date Jul 17, 2001
- Citizen Watch Co., Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION METHOD FOR NITRIDE CRYSTAL SUBSTRATE, AND PEELED INTERME...
- Publication number 20250054754
- Publication date Feb 13, 2025
- Sumitomo Chemical Company, Limited
- Masafumi YOKOYAMA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
SEED SUBSTRATE FOR NITRIDE CRYSTAL GROWTH, PRODUCTION METHOD FOR NI...
- Publication number 20240271320
- Publication date Aug 15, 2024
- Sumitomo Chemical Company, Limited
- Masafumi YOKOYAMA
- C30 - CRYSTAL GROWTH
Information Patent Application
STORAGE MEDIUM, LEARNING DEVICE, AND DATA COLLECTION SYSTEM
- Publication number 20220300467
- Publication date Sep 22, 2022
- Mitsubishi Electric Corporation
- Masafumi YOKOYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RUN-FLAT RADIAL TIRE
- Publication number 20170100969
- Publication date Apr 13, 2017
- Bridgestone Corporation
- Masafumi YOKOYAMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
OPTICAL MIDULATOR
- Publication number 20160320677
- Publication date Nov 3, 2016
- CITIZEN HOLDINGS CO., LTD.
- Ayano TANABE
- G02 - OPTICS
Information Patent Application
LIGHT MODULATING DEVICE
- Publication number 20150338631
- Publication date Nov 26, 2015
- CITIZEN HOLDINGS CO., LTD.
- Kenji Matsumoto
- G02 - OPTICS
Information Patent Application
PHASE MODULATION DEVICE AND LASER MICROSCOPE
- Publication number 20150338639
- Publication date Nov 26, 2015
- CITIZEN HOLDINGS CO., LTD.
- Kenji Matsumoto
- G02 - OPTICS
Information Patent Application
ABERRATION CORRECTION DEVICE AND LASER MICROSCOPE
- Publication number 20150116812
- Publication date Apr 30, 2015
- CITIZEN HOLDINGS CO., LTD.
- Kenji Matsumoto
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING SEM...
- Publication number 20140091398
- Publication date Apr 3, 2014
- Sumitomo Chemical Company, Limited
- Masahiko HATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING SEM...
- Publication number 20140091393
- Publication date Apr 3, 2014
- Sumitomo Chemical Company, Limited
- Masahiko HATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT MODULATOR ELEMENT AND MICROSCOPE APPARATUSA INCLUDING LIGHT M...
- Publication number 20130342768
- Publication date Dec 26, 2013
- CITIZEN HOLDINGS CO., LTD.
- Masafumi Yokoyama
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR WAFER, FIELD-EFFECT TRANSISTOR, METHOD OF PRODUCING S...
- Publication number 20130341721
- Publication date Dec 26, 2013
- Sumitomo Chemical Company, Limited
- Takeshi AOKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLARIZATION CONVERSION ELEMENT
- Publication number 20120314180
- Publication date Dec 13, 2012
- CITIZEN HOLDINGS CO., LTD.
- Nobuyuki Hashimoto
- G02 - OPTICS
Information Patent Application
FIELD-EFFECT TRANSISTOR, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING...
- Publication number 20120228673
- Publication date Sep 13, 2012
- Sumitomo Chemical Company
- Masahiko HATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR SUBSTRATE, FIELD-EFFECT TRANSISTOR, INTEGRATED CIRCUI...
- Publication number 20120205747
- Publication date Aug 16, 2012
- THE UNIVERSITY OF TOKYO
- Hisashi YAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID CRYSTAL FRESNEL LENS
- Publication number 20100245743
- Publication date Sep 30, 2010
- CITIZEN HOLDINGS CO., LTD.
- Masafumi Yokoyama
- G02 - OPTICS
Information Patent Application
LED LIGHT SOURCE AND METHOD FOR ADJUSTING CHROMATICITY OF LED LIGHT...
- Publication number 20090236967
- Publication date Sep 24, 2009
- Masafumi Yokoyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Exposure device
- Publication number 20060290906
- Publication date Dec 28, 2006
- Masafumi Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Liquid crystal exposure device
- Publication number 20050200614
- Publication date Sep 15, 2005
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Exposure system and production method for exposure system
- Publication number 20050068590
- Publication date Mar 31, 2005
- Akira Shiota
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Light source for optical apparatus
- Publication number 20040084605
- Publication date May 6, 2004
- Masafumi Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical printer device
- Publication number 20020044194
- Publication date Apr 18, 2002
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Masafumi YOKOYAMA

Person

Patents Grantslast 30 patents

Run-flat radial tire

Light modulating device

Aberration correction device and laser microscope

Phase modulation device and laser microscope

Polarization conversion element

Light modulator element and microscope apparatus including light mo...

Semiconductor substrate, field-effect transistor, integrated circui...

Semiconductor wafer, field-effect transistor, method of producing s...

Field-effect transistor, semiconductor wafer, method for producing...

Liquid crystal fresnel lens

LED light source and method for adjusting chromaticity of LED light...

Exposure device

Method for determining a correction value for light-emitting parts...

Liquid crystal exposure device

Light source for an optical apparatus in which the amount of light...

Optical printer device that forms color images

Optical printer

Line-scanning optical printer

Optical printer apparatus

Optical printer

Patents Applicationslast 30 patents

PRODUCTION METHOD FOR NITRIDE CRYSTAL SUBSTRATE, AND PEELED INTERME...

SEED SUBSTRATE FOR NITRIDE CRYSTAL GROWTH, PRODUCTION METHOD FOR NI...

STORAGE MEDIUM, LEARNING DEVICE, AND DATA COLLECTION SYSTEM

RUN-FLAT RADIAL TIRE

OPTICAL MIDULATOR

LIGHT MODULATING DEVICE

PHASE MODULATION DEVICE AND LASER MICROSCOPE

ABERRATION CORRECTION DEVICE AND LASER MICROSCOPE

SEMICONDUCTOR DEVICE, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING SEM...

SEMICONDUCTOR DEVICE, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING SEM...

LIGHT MODULATOR ELEMENT AND MICROSCOPE APPARATUSA INCLUDING LIGHT M...

SEMICONDUCTOR WAFER, FIELD-EFFECT TRANSISTOR, METHOD OF PRODUCING S...

POLARIZATION CONVERSION ELEMENT

FIELD-EFFECT TRANSISTOR, SEMICONDUCTOR WAFER, METHOD FOR PRODUCING...

SEMICONDUCTOR SUBSTRATE, FIELD-EFFECT TRANSISTOR, INTEGRATED CIRCUI...

LIQUID CRYSTAL FRESNEL LENS

LED LIGHT SOURCE AND METHOD FOR ADJUSTING CHROMATICITY OF LED LIGHT...

Exposure device

Liquid crystal exposure device

Exposure system and production method for exposure system

Light source for optical apparatus

Optical printer device