Akira Yamagiwa

Person

Higashimurayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Signal transmitting device suited to fast signal transmission
- Patent number 8,106,677
- Issue date Jan 31, 2012
- LG Electronics Inc.
- Toshitsugu Takekuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transmitting device suited to fast signal transmission
- Patent number 7,911,224
- Issue date Mar 22, 2011
- Hitachi, Ltd.
- Toshitsugu Takekuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transmitting device suited to fast signal transmission
- Patent number 7,791,366
- Issue date Sep 7, 2010
- Hitachi, Ltd.
- Toshitsugu Takekuma
Information Patent Grant
Signal transmitting device suited to fast signal transmission
- Patent number 7,372,292
- Issue date May 13, 2008
- Hitachi, Ltd.
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal transmitting device suited to fast signal transmission
- Patent number 7,295,034
- Issue date Nov 13, 2007
- Hitachi, Ltd.
- Toshitsuqu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal transmitting device suited to fast signal transmission
- Patent number 7,123,048
- Issue date Oct 17, 2006
- Hitachi, Ltd.
- Toshitsuqu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal transmitting device suited to fast signal transmission
- Patent number 7,015,717
- Issue date Mar 21, 2006
- Hitachi, Ltd.
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal transmitting device suited to fast signal transmission
- Patent number 6,873,179
- Issue date Mar 29, 2005
- Hitachi, Ltd.
- Toshitsuqu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Logic emulation module and logic emulation board
- Patent number 6,829,574
- Issue date Dec 7, 2004
- Renesas Technology Corp.
- Hiroshi Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Process for mounting electronic device and semiconductor device
- Patent number 6,780,677
- Issue date Aug 24, 2004
- Hitachi, Ltd.
- Satoshi Imasu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Signal transmission system
- Patent number 6,768,346
- Issue date Jul 27, 2004
- Hitachi, Ltd.
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Branch bus system for inter-LSI data transmission
- Patent number 6,766,404
- Issue date Jul 20, 2004
- Hitachi, Ltd.
- Hideki Osaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Process for mounting electronic device and semiconductor device
- Patent number 6,737,741
- Issue date May 18, 2004
- Hitachi, Ltd.
- Satoshi Imasu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Signal transmission system
- Patent number 6,580,295
- Issue date Jun 17, 2003
- Hitachi, Ltd.
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Directional coupling bus system using printed board
- Patent number 6,496,886
- Issue date Dec 17, 2002
- Hitachi, Ltd.
- Hideki Osaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for mounting electronic device and semiconductor device
- Patent number 6,461,896
- Issue date Oct 8, 2002
- Hitachi, Ltd.
- Satoshi Imasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit module connected to a transmission line including arrangeme...
- Patent number 6,441,639
- Issue date Aug 27, 2002
- Hitachi, Ltd.
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Bus system and circuit board
- Patent number 6,441,638
- Issue date Aug 27, 2002
- Hitachi, Ltd.
- Hideki Osaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor memory
- Patent number 6,420,900
- Issue date Jul 16, 2002
- Hitachi, Ltd.
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for interconnecting logic boards
- Patent number 6,335,867
- Issue date Jan 1, 2002
- Hitachi, Ltd.
- Kenichi Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Circuit module and information processing apparatus
- Patent number 6,266,242
- Issue date Jul 24, 2001
- Hitachi, Ltd.
- Takashi Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal transmission system
- Patent number 6,211,703
- Issue date Apr 3, 2001
- Hitachi, Ltd.
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Process for mounting electronic device and semiconductor device
- Patent number 6,208,525
- Issue date Mar 27, 2001
- Hitachi, Ltd.
- Satoshi Imasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Signal transmitting device, circuit block and integrated circuit su...
- Patent number 6,172,517
- Issue date Jan 9, 2001
- Hitachi, Ltd.
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for interconnecting logic boards
- Patent number 6,163,464
- Issue date Dec 19, 2000
- Hitachi, Ltd.
- Kenichi Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Circuit module and information processing apparatus
- Patent number 6,069,793
- Issue date May 30, 2000
- Hitachi, Ltd.
- Takashi Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor integrated circuit system having function of automati...
- Patent number 6,049,221
- Issue date Apr 11, 2000
- Hitachi, Ltd.
- Kenichi Ishibashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Source-clock-synchronized memory system and memory unit
- Patent number 6,034,878
- Issue date Mar 7, 2000
- Hitachi, Ltd.
- Hideki Osaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Simultaneous bidirectional transmission circuit
- Patent number 5,872,471
- Issue date Feb 16, 1999
- Hitachi, Ltd.
- Kenichi Ishibashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for synchronizing data having skew
- Patent number 5,867,541
- Issue date Feb 2, 1999
- Hitachi, Ltd.
- Akira Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SIGNAL TRANSMITTING DEVICE SUITED TO FAST SIGNAL TRANSMISSION
- Publication number 20090015289
- Publication date Jan 15, 2009
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Logic verification system
- Publication number 20080306722
- Publication date Dec 11, 2008
- RENESAS TECHNOLOGY CORP.
- Mototsugu Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal transmitting device suited to fast signal transmission
- Publication number 20070018683
- Publication date Jan 25, 2007
- Toshitsuqu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal transmitting device suited to fast signal transmission
- Publication number 20050127940
- Publication date Jun 16, 2005
- Toshitsuqu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal transmitting device suited to fast signal transmission
- Publication number 20050088200
- Publication date Apr 28, 2005
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Logic verification system
- Publication number 20040078179
- Publication date Apr 22, 2004
- RENESAS TECHNOLOGY CORP.
- Mototsugu Fuji
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal transmission system
- Publication number 20030184345
- Publication date Oct 2, 2003
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal transmitting device suited to fast signal transmission
- Publication number 20030016050
- Publication date Jan 23, 2003
- Toshitsuqu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Process for mounting electronic device and semiconductor device
- Publication number 20020195718
- Publication date Dec 26, 2002
- Hitachi, Ltd.
- Satoshi Imasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process for mounting electronic device and semiconductor device
- Publication number 20020192865
- Publication date Dec 19, 2002
- HITACHI, LTD. and HITACHI HOKKAI SEMICONDUCTOR, LTD.
- Satoshi Imasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Signal transmitting device suited to fast signal transmission
- Publication number 20020175701
- Publication date Nov 28, 2002
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BUS SYSTEM AND CIRCUIT BOARD
- Publication number 20020008539
- Publication date Jan 24, 2002
- HIDEKI OSAKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Semiconductor memory
- Publication number 20010035769
- Publication date Nov 1, 2001
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal transmission system
- Publication number 20010005146
- Publication date Jun 28, 2001
- Toshitsugu Takekuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Process for mounting electronic device and semiconductor device
- Publication number 20010002162
- Publication date May 31, 2001
- Hitachi, Ltd.
- Satoshi Imasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process for mounting electronic device and semiconductor device
- Publication number 20010002163
- Publication date May 31, 2001
- Hitachi, Ltd.
- Satoshi Imasu
- H01 - BASIC ELECTRIC ELEMENTS

Akira Yamagiwa

Person

Patents Grantslast 30 patents

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Logic emulation module and logic emulation board

Process for mounting electronic device and semiconductor device

Signal transmission system

Branch bus system for inter-LSI data transmission

Process for mounting electronic device and semiconductor device

Signal transmission system

Directional coupling bus system using printed board

Process for mounting electronic device and semiconductor device

Circuit module connected to a transmission line including arrangeme...

Bus system and circuit board

Semiconductor memory

Apparatus for interconnecting logic boards

Circuit module and information processing apparatus

Signal transmission system

Process for mounting electronic device and semiconductor device

Signal transmitting device, circuit block and integrated circuit su...

Apparatus for interconnecting logic boards

Circuit module and information processing apparatus

Semiconductor integrated circuit system having function of automati...

Source-clock-synchronized memory system and memory unit

Simultaneous bidirectional transmission circuit

Method and system for synchronizing data having skew

Patents Applicationslast 30 patents

SIGNAL TRANSMITTING DEVICE SUITED TO FAST SIGNAL TRANSMISSION

Logic verification system

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Signal transmitting device suited to fast signal transmission

Logic verification system

Signal transmission system

Signal transmitting device suited to fast signal transmission

Process for mounting electronic device and semiconductor device

Process for mounting electronic device and semiconductor device

Signal transmitting device suited to fast signal transmission

BUS SYSTEM AND CIRCUIT BOARD

Semiconductor memory

Signal transmission system

Process for mounting electronic device and semiconductor device

Process for mounting electronic device and semiconductor device