Hiroaki YOKOYAMA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Online service providing system and application program
- Patent number 11,870,907
- Issue date Jan 9, 2024
- Japan Communications Inc.
- Naohisa Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Online service providing system, IC chip, and application program
- Patent number 11,863,681
- Issue date Jan 2, 2024
- Japan Communications Inc.
- Naohisa Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Online service providing system and application program
- Patent number 11,617,084
- Issue date Mar 28, 2023
- Japan Communications Inc.
- Naohisa Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tower internal-equipment bracket structure and wind turbine generator
- Patent number 8,573,950
- Issue date Nov 5, 2013
- Mitsubishi Heavy Industries, Ltd.
- Hiroaki Yokoyama
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Static random access memory device
- Patent number 6,559,510
- Issue date May 6, 2003
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a semiconductor device with multiple emitte...
- Patent number 6,544,830
- Issue date Apr 8, 2003
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with multiple emitter contact plugs
- Patent number 6,396,110
- Issue date May 28, 2002
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated bi-MOS circuit having isolating regions di...
- Patent number 6,225,179
- Issue date May 1, 2001
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing BiMOS device with improvement of high freq...
- Patent number 6,066,521
- Issue date May 23, 2000
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having source and drain regions different in d...
- Patent number 6,022,780
- Issue date Feb 8, 2000
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing BiMOS device with improvement of high freq...
- Patent number 5,933,720
- Issue date Aug 3, 1999
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having a source-drain region of a load transis...
- Patent number 5,598,013
- Issue date Jan 28, 1997
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing of semiconductor device having of channel stop...
- Patent number 5,482,889
- Issue date Jan 9, 1996
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Online Service Providing System and Application Program
- Publication number 20210297862
- Publication date Sep 23, 2021
- Naohisa Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Online Service Providing System and Application Program
- Publication number 20210281416
- Publication date Sep 9, 2021
- Japan Communications Inc.
- Naohisa Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Online Service Providing System, IC Chip, and Application Program
- Publication number 20210281415
- Publication date Sep 9, 2021
- Japan Communications Inc.
- Naohisa Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR PHONE SERVICE WITH PERSONAL SWITCH BOX
- Publication number 20170201627
- Publication date Jul 13, 2017
- Japan Communications Inc.
- Naohisa Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TOWER-INTERNAL-EQUIPMENT BRACKET STRUCTURE AND WIND TURBINE GENERATOR
- Publication number 20130115054
- Publication date May 9, 2013
- Mitsubishi Heavy Industries, Ltd.
- Hiroaki YOKOYAMA
- E04 - BUILDING
Information Patent Application
Back order management system
- Publication number 20040049433
- Publication date Mar 11, 2004
- Hiroaki Yokoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Semiconductor device with multiple emitter contact plugs
- Publication number 20020109195
- Publication date Aug 15, 2002
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTACT STRUCTURE IN SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD FO...
- Publication number 20020074540
- Publication date Jun 20, 2002
- HIROAKI YOKOYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device with multiple emitter contact plugs
- Publication number 20010029079
- Publication date Oct 11, 2001
- NEC Corporation
- Hiroaki Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS

Hiroaki YOKOYAMA

Person

Patents Grantslast 30 patents

Online service providing system and application program

Online service providing system, IC chip, and application program

Online service providing system and application program

Tower internal-equipment bracket structure and wind turbine generator

Static random access memory device

Method of manufacturing a semiconductor device with multiple emitte...

Semiconductor device with multiple emitter contact plugs

Semiconductor integrated bi-MOS circuit having isolating regions di...

Method for manufacturing BiMOS device with improvement of high freq...

Semiconductor device having source and drain regions different in d...

Method for manufacturing BiMOS device with improvement of high freq...

Semiconductor device having a source-drain region of a load transis...

Method for producing of semiconductor device having of channel stop...

Patents Applicationslast 30 patents

Online Service Providing System and Application Program

Online Service Providing System and Application Program

Online Service Providing System, IC Chip, and Application Program

METHODS AND SYSTEMS FOR PHONE SERVICE WITH PERSONAL SWITCH BOX

TOWER-INTERNAL-EQUIPMENT BRACKET STRUCTURE AND WIND TURBINE GENERATOR

Back order management system

Semiconductor device with multiple emitter contact plugs

CONTACT STRUCTURE IN SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD FO...

Semiconductor device with multiple emitter contact plugs