Masahiko Ishiwaki

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transceiver
- Patent number 7,912,375
- Issue date Mar 22, 2011
- Mitsubishi Electric Corporation
- Harufusa Kondo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 7,840,881
- Issue date Nov 23, 2010
- Mitsubishi Electric Corporation
- Masahiko Ishiwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency detector detecting variation in frequency difference betw...
- Patent number 6,960,960
- Issue date Nov 1, 2005
- Renesas Technology Corp.
- Masahiko Ishiwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arithmetic unit performing cyclic redundancy check at high speed
- Patent number 6,725,415
- Issue date Apr 20, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Counter circuit for detecting erroneous operation and recovering to...
- Patent number 6,661,864
- Issue date Dec 9, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device capable of immediately recovering from erroneo...
- Patent number 6,407,597
- Issue date Jun 18, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital data transmission system
- Patent number 6,396,888
- Issue date May 28, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Hiromi Notani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network communication device
- Patent number 6,195,361
- Issue date Feb 27, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Harufusa Kondoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Waveform shaping device and clock supply apparatus
- Patent number 5,883,534
- Issue date Mar 16, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Harufusa Kondoh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High impedance detecting circuit and interface circuit
- Patent number 5,874,835
- Issue date Feb 23, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clock-synchronized C-element group for controlling data transfer
- Patent number 5,724,562
- Issue date Mar 3, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data queuing apparatus
- Patent number 5,649,119
- Issue date Jul 15, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Harufusa Kondoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSCEIVER
- Publication number 20100150567
- Publication date Jun 17, 2010
- Mitsubishi Electric Corporation
- Harufusa Kondo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20070198891
- Publication date Aug 23, 2007
- MITSUBISHI ELECTRIC CORPORATION
- Masahiko Ishiwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Frequency detector detecting variation in frequency difference betw...
- Publication number 20040124929
- Publication date Jul 1, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Clock extraction circuit
- Publication number 20030226070
- Publication date Dec 4, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuhiro Fukao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Scrambler with scramble process bypass capability and descrambler w...
- Publication number 20030156720
- Publication date Aug 21, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Counter circuit for detecting erroneous operation and recovering to...
- Publication number 20020114422
- Publication date Aug 22, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR DEVICE CAPABLE OF IMMEDIATELY RECOVERING FROM ERRONEO...
- Publication number 20020070776
- Publication date Jun 13, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Arithmetic unit performing cyclic redundancy check at high speed
- Publication number 20010020288
- Publication date Sep 6, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Masahiko Ishiwaki
- H03 - BASIC ELECTRONIC CIRCUITRY

Masahiko Ishiwaki

Person

Patents Grantslast 30 patents

Optical transceiver

Communication system

Frequency detector detecting variation in frequency difference betw...

Arithmetic unit performing cyclic redundancy check at high speed

Counter circuit for detecting erroneous operation and recovering to...

Semiconductor device capable of immediately recovering from erroneo...

Digital data transmission system

Network communication device

Waveform shaping device and clock supply apparatus

High impedance detecting circuit and interface circuit

Clock-synchronized C-element group for controlling data transfer

Data queuing apparatus

Patents Applicationslast 30 patents

OPTICAL TRANSCEIVER

COMMUNICATION SYSTEM

Frequency detector detecting variation in frequency difference betw...

Clock extraction circuit

Scrambler with scramble process bypass capability and descrambler w...

Counter circuit for detecting erroneous operation and recovering to...

SEMICONDUCTOR DEVICE CAPABLE OF IMMEDIATELY RECOVERING FROM ERRONEO...

Arithmetic unit performing cyclic redundancy check at high speed