Shigeru Nishikawa

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hash value calculation apparatus and method thereof
- Patent number 8,571,207
- Issue date Oct 29, 2013
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing apparatus
- Patent number 8,560,832
- Issue date Oct 15, 2013
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for processing a change history of a PDF file
- Patent number 8,045,198
- Issue date Oct 25, 2011
- Fuji Xerox Co., Ltd.
- Shigeru Nishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus
- Patent number 7,433,528
- Issue date Oct 7, 2008
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Call waiting notifying apparatus
- Patent number 5,857,017
- Issue date Jan 5, 1999
- Canon Kabushiki Kaisha
- Hirokazu Ohi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing and communication apparatus
- Patent number 5,757,898
- Issue date May 26, 1998
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Private branch exchange system
- Patent number 5,581,612
- Issue date Dec 3, 1996
- Canon Kaubshiki Kaisha
- Shigeru Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone and telephone system having temporary transfer and hold-r...
- Patent number 5,095,504
- Issue date Mar 10, 1992
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus having a communication hold function
- Patent number 4,870,680
- Issue date Sep 26, 1989
- Canon Kabushiki Kaisha
- Kuniaki Ohtsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
VOLTAGE COMPENSATION CIRCUIT, WIRELESS COMMUNICATION DEVICE, AND VO...
- Publication number 20180109989
- Publication date Apr 19, 2018
- Fujitsu Limited
- Hiromi MIYAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING APPARATUS
- Publication number 20100138648
- Publication date Jun 3, 2010
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HASH VALUE CALCULATION APPARATUS AND METHOD THEREOF
- Publication number 20100135484
- Publication date Jun 3, 2010
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Printer, Print Data Output Device, Method, Computer Readable Medium...
- Publication number 20070236717
- Publication date Oct 11, 2007
- FUJI XEROX CO., LTD
- Shigeru Nishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CRYPTOGRAPHIC PROCESSING APPARATUS
- Publication number 20070098153
- Publication date May 3, 2007
- Canon Kabushiki Kaisha
- Shigeru NISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing apparatus
- Publication number 20060008163
- Publication date Jan 12, 2006
- Canon Kabushiki Kaisha
- Shigeru Nishikawa
- G06 - COMPUTING CALCULATING COUNTING

Shigeru Nishikawa

Person

Patents Grantslast 30 patents

Hash value calculation apparatus and method thereof

Information processing apparatus

System and method for processing a change history of a PDF file

Image processing apparatus

Call waiting notifying apparatus

Information processing and communication apparatus

Private branch exchange system

Telephone and telephone system having temporary transfer and hold-r...

Communication apparatus having a communication hold function

Patents Applicationslast 30 patents

VOLTAGE COMPENSATION CIRCUIT, WIRELESS COMMUNICATION DEVICE, AND VO...

INFORMATION PROCESSING APPARATUS

HASH VALUE CALCULATION APPARATUS AND METHOD THEREOF

Printer, Print Data Output Device, Method, Computer Readable Medium...

CRYPTOGRAPHIC PROCESSING APPARATUS

Image processing apparatus