Keiji OKUMURA

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device comprising PN junction diode and Schottky barr...
- Patent number 11,894,349
- Issue date Feb 6, 2024
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device comprising PN junction diode and Schottky barr...
- Patent number 11,502,063
- Issue date Nov 15, 2022
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device comprising PN junction diode and schottky barr...
- Patent number 10,896,896
- Issue date Jan 19, 2021
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device VDMOS having a gate insulating film having a h...
- Patent number 10,727,318
- Issue date Jul 28, 2020
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device comprising PN junction diode and Schottky barr...
- Patent number 10,559,552
- Issue date Feb 11, 2020
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device comprising PN junction diode and schottky barr...
- Patent number 10,074,634
- Issue date Sep 11, 2018
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image formation apparatus
- Patent number 10,009,491
- Issue date Jun 26, 2018
- Kyocera Document Solutions Inc.
- Hirofumi Kuroki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Endoscopic image display device
- Patent number 9,916,076
- Issue date Mar 13, 2018
- Olympus Corporation
- Keiji Okumura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Semiconductor device comprising PN junction diode and schottky barr...
- Patent number 9,917,074
- Issue date Mar 13, 2018
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device comprising PN junction diode and Schottky barr...
- Patent number 9,679,877
- Issue date Jun 13, 2017
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Image forming apparatus comprising board holding member configured...
- Patent number 9,494,910
- Issue date Nov 15, 2016
- Kyocera Document Solutions Inc.
- Shinobu Ohata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic circuit comprising PN junction and schottky barrier diodes
- Patent number 9,461,021
- Issue date Oct 4, 2016
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Image forming apparatus composing one face of exterior cover by par...
- Patent number 9,454,129
- Issue date Sep 27, 2016
- Kyocera Document Solutions Inc.
- Keiji Okumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus comprising connecting mechanism configured...
- Patent number 9,442,452
- Issue date Sep 13, 2016
- Kyocera Document Solutions Inc.
- Shinobu Ohata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet feeder and image forming apparatus
- Patent number 9,434,560
- Issue date Sep 6, 2016
- KYOCERA Document Solutions Inc.
- Seiji Okada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Semiconductor device
- Patent number 9,379,634
- Issue date Jun 28, 2016
- Rohm Co., Ltd.
- Keiji Okumura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic circuit comprising unipolar and bipolar devices
- Patent number 9,245,956
- Issue date Jan 26, 2016
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Combined units and image forming system
- Patent number 9,207,620
- Issue date Dec 8, 2015
- Kyocera Document Solutions Inc.
- Keiji Okumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Semiconductor device with protective diode
- Patent number 9,142,542
- Issue date Sep 22, 2015
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method for same
- Patent number 9,136,378
- Issue date Sep 15, 2015
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 9,099,331
- Issue date Aug 4, 2015
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image forming apparatus
- Patent number 8,995,030
- Issue date Mar 31, 2015
- KYOCERA Documant Solutions Inc.
- Masayuki Kakuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Inspection management apparatus, system, and method, and computer r...
- Patent number 8,982,204
- Issue date Mar 17, 2015
- Olympus Medical Systems Corp.
- Takeshi Nishiyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Semiconductor device
- Patent number 8,971,044
- Issue date Mar 3, 2015
- Rohm Co., Ltd.
- Keiji Okumura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor device
- Patent number 8,970,020
- Issue date Mar 3, 2015
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sheet post-processing device, and image forming apparatus including...
- Patent number 8,844,921
- Issue date Sep 30, 2014
- Kyocera Document Solutions, Inc.
- Keiji Okumura
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Sheet post-processing apparatus with branched holding path
- Patent number 8,608,150
- Issue date Dec 17, 2013
- Kyocera Document Solutions Inc.
- Keiji Okumura
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
High melting point soldering layer alloyed by transient liquid phas...
- Patent number 8,592,986
- Issue date Nov 26, 2013
- Rohm Co., Ltd.
- Takukazu Otsuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Laminated high melting point soldering layer formed by TLP bonding...
- Patent number 8,513,806
- Issue date Aug 20, 2013
- Rohm Co., Ltd.
- Takukazu Otsuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor device
- Patent number 8,208,260
- Issue date Jun 26, 2012
- Rohm Co., Ltd.
- Keiji Okumura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE HAVING A PROTRUSION PROJECTION FORMED UNDER A...
- Publication number 20240170558
- Publication date May 23, 2024
- Rohm Co., Ltd.
- Keiji OKUMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...
- Publication number 20240120322
- Publication date Apr 11, 2024
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...
- Publication number 20230025045
- Publication date Jan 26, 2023
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...
- Publication number 20210104500
- Publication date Apr 8, 2021
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE HAVING A GATE INSULATING FILM HAVING A HIGH DI...
- Publication number 20200321451
- Publication date Oct 8, 2020
- Rohm Co., Ltd.
- Keiji OKUMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...
- Publication number 20200144227
- Publication date May 7, 2020
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...
- Publication number 20180350781
- Publication date Dec 6, 2018
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...
- Publication number 20180190624
- Publication date Jul 5, 2018
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE FORMATION APPARATUS
- Publication number 20180013905
- Publication date Jan 11, 2018
- KYOCERA Document Solutions Inc.
- Hirofumi Kuroki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...
- Publication number 20170263590
- Publication date Sep 14, 2017
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR PRODUCING A SEMICONDUCTOR POWER DEVICE (DMOS) INCLUDING...
- Publication number 20170092743
- Publication date Mar 30, 2017
- Rohm Co., Ltd.
- Keiji OKUMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC CIRCUIT
- Publication number 20170018536
- Publication date Jan 19, 2017
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ENDOSCOPIC IMAGE DISPLAY DEVICE
- Publication number 20160202895
- Publication date Jul 14, 2016
- OLYMPUS CORPORATION
- Keiji OKUMURA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTRONIC CIRCUIT
- Publication number 20160133609
- Publication date May 12, 2016
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHEET FEEDER AND IMAGE FORMING APPARATUS
- Publication number 20160122142
- Publication date May 5, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Seiji Okada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160124379
- Publication date May 5, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Keiji OKUMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160109848
- Publication date Apr 21, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Shinobu OHATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160098006
- Publication date Apr 7, 2016
- KYOCERA DOCUMENT SOLUTIONS INC.
- Shinobu OHATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Semiconductor Device
- Publication number 20150138732
- Publication date May 21, 2015
- ROHM CO., LTD.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20150108664
- Publication date Apr 23, 2015
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20150028352
- Publication date Jan 29, 2015
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSPECTION MANAGEMENT APPARATUS, SYSTEM, AND METHOD, AND COMPUTER R...
- Publication number 20140300719
- Publication date Oct 9, 2014
- OLYMPUS MEDICAL SYSTEMS CORP.
- Takeshi NISHIYAMA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140293378
- Publication date Oct 2, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Masayuki Kakuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMBINED UNITS AND IMAGE FORMING SYSTEM
- Publication number 20140270837
- Publication date Sep 18, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Keiji Okumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20140231926
- Publication date Aug 21, 2014
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHEET POST-PROCESSING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING...
- Publication number 20130313771
- Publication date Nov 28, 2013
- KYOCERA DOCUMENT SOLUTIONS INC.
- Keiji Okumura
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD FOR SAME
- Publication number 20130248981
- Publication date Sep 26, 2013
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SCHEDULE PRESENTATION DEVICE
- Publication number 20130204635
- Publication date Aug 8, 2013
- OLYMPUS MEDICAL SYSTEMS CORP.
- Keiji OKUMURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20130175549
- Publication date Jul 11, 2013
- Rohm Co., Ltd.
- Keiji Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC CIRCUIT
- Publication number 20130082284
- Publication date Apr 4, 2013
- Rohm Co., Ltd.
- Keiji Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Keiji OKUMURA

Person

Patents Grantslast 30 patents

Semiconductor device comprising PN junction diode and Schottky barr...

Semiconductor device comprising PN junction diode and Schottky barr...

Semiconductor device comprising PN junction diode and schottky barr...

Semiconductor device VDMOS having a gate insulating film having a h...

Semiconductor device comprising PN junction diode and Schottky barr...

Semiconductor device comprising PN junction diode and schottky barr...

Image formation apparatus

Endoscopic image display device

Semiconductor device comprising PN junction diode and schottky barr...

Semiconductor device comprising PN junction diode and Schottky barr...

Image forming apparatus comprising board holding member configured...

Electronic circuit comprising PN junction and schottky barrier diodes

Image forming apparatus composing one face of exterior cover by par...

Image forming apparatus comprising connecting mechanism configured...

Sheet feeder and image forming apparatus

Semiconductor device

Electronic circuit comprising unipolar and bipolar devices

Combined units and image forming system

Semiconductor device with protective diode

Semiconductor device and manufacturing method for same

Semiconductor device

Image forming apparatus

Inspection management apparatus, system, and method, and computer r...

Semiconductor device

Semiconductor device

Sheet post-processing device, and image forming apparatus including...

Sheet post-processing apparatus with branched holding path

High melting point soldering layer alloyed by transient liquid phas...

Laminated high melting point soldering layer formed by TLP bonding...

Semiconductor device

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE HAVING A PROTRUSION PROJECTION FORMED UNDER A...

SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...

SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...

SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...

SEMICONDUCTOR DEVICE HAVING A GATE INSULATING FILM HAVING A HIGH DI...

SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...

SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...

SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...

IMAGE FORMATION APPARATUS

SEMICONDUCTOR DEVICE COMPRISING PN JUNCTION DIODE AND SCHOTTKY BARR...

METHOD FOR PRODUCING A SEMICONDUCTOR POWER DEVICE (DMOS) INCLUDING...

ELECTRONIC CIRCUIT

ENDOSCOPIC IMAGE DISPLAY DEVICE

ELECTRONIC CIRCUIT

SHEET FEEDER AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

Semiconductor Device

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

INSPECTION MANAGEMENT APPARATUS, SYSTEM, AND METHOD, AND COMPUTER R...

IMAGE FORMING APPARATUS

COMBINED UNITS AND IMAGE FORMING SYSTEM

SEMICONDUCTOR DEVICE

SHEET POST-PROCESSING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING...

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD FOR SAME

SCHEDULE PRESENTATION DEVICE

SEMICONDUCTOR DEVICE

ELECTRONIC CIRCUIT