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Kishiko Maruyama
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Kodaira, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Aerial line extraction system and method
Patent number
11,495,026
Issue date
Nov 8, 2022
Hitachi Solutions, Ltd.
Sadaki Nakano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Aerial line extraction system and aerial line extraction method
Patent number
11,295,130
Issue date
Apr 5, 2022
Hitachi Solutions, Ltd.
Kishiko Maruyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Navigation apparatus
Patent number
8,548,737
Issue date
Oct 1, 2013
Xanavi Informatics Corporation
Yuta Kobayashi
G01 - MEASURING TESTING
Information
Patent Grant
On-vehicle map display apparatus, map display method
Patent number
8,224,570
Issue date
Jul 17, 2012
Xanavi Informatics Corporation
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Grant
Map data delivering device, communication terminal, and map deliver...
Patent number
8,131,675
Issue date
Mar 6, 2012
Hitachi, Ltd.
Kiyohiro Obara
G01 - MEASURING TESTING
Information
Patent Grant
Map display method
Patent number
7,839,306
Issue date
Nov 23, 2010
Hitachi, Ltd.
Masaaki Tanizaki
G01 - MEASURING TESTING
Information
Patent Grant
On-vehicle information terminal, abridged map generating apparatus,...
Patent number
7,668,650
Issue date
Feb 23, 2010
Xanavi Informatics Corporation
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Grant
Abridged map generating apparatus, on-vehicle information terminal,...
Patent number
7,561,962
Issue date
Jul 14, 2009
Xanavi Informatics Corporation
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Grant
Navigation apparatus
Patent number
7,522,997
Issue date
Apr 21, 2009
Xanavi Informatics Corporation
Akinori Asahara
G01 - MEASURING TESTING
Information
Patent Grant
Abridged map generating apparatus, on-vehicle information terminal,...
Patent number
7,493,212
Issue date
Feb 17, 2009
Xanavi Informatics Corporation
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Grant
Abridged map generating apparatus, on-vehicle information terminal,...
Patent number
7,477,269
Issue date
Jan 13, 2009
Xanavi Informatics Corporation
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Grant
Car navigation system
Patent number
7,392,133
Issue date
Jun 24, 2008
Hitachi, Ltd.
Kishiko Maruyama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Navigation apparatus, map data distribution apparatus, map data dis...
Patent number
7,327,366
Issue date
Feb 5, 2008
Xanavi Informatics Corporation
Akio Sumizawa
G08 - SIGNALLING
Information
Patent Grant
Map information supply device for mobile units
Patent number
7,248,965
Issue date
Jul 24, 2007
Hitachi, Ltd.
Masaaki Tanizaki
G01 - MEASURING TESTING
Information
Patent Grant
Portable terminal with the function of walking navigation
Patent number
6,922,630
Issue date
Jul 26, 2005
Hitachi, Ltd.
Kishiko Maruyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable terminal with the function of walking navigation
Patent number
6,748,317
Issue date
Jun 8, 2004
Hitachi, Ltd.
Kishiko Maruyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable terminal with the function of walking navigation
Patent number
6,580,999
Issue date
Jun 17, 2003
Hitachi, Ltd.
Kishiko Maruyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable terminal with the function of walking navigation
Patent number
6,430,498
Issue date
Aug 6, 2002
Hitachi, Ltd.
Kishiko Maruyama
G01 - MEASURING TESTING
Information
Patent Grant
Method for generating virtual three-dimensional space
Patent number
6,295,066
Issue date
Sep 25, 2001
Hitachi, Ltd.
Masaaki Tanizaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of recognizing image data and apparatus therefor
Patent number
5,978,520
Issue date
Nov 2, 1999
Hitachi, Ltd.
Kishiko Maruyama
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
OVERHEAD WIRE RECOGNITION DEVICE AND OVERHEAD WIRE RECOGNITION METHOD
Publication number
20230121854
Publication date
Apr 20, 2023
HITACHI SOLUTIONS, LTD.
Kishiko MARUYAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AERIAL LINE EXTRACTION SYSTEM AND METHOD
Publication number
20210142074
Publication date
May 13, 2021
HITACHI SOLUTIONS, LTD.
Sadaki NAKANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AERIAL LINE EXTRACTION SYSTEM AND AERIAL LINE EXTRACTION METHOD
Publication number
20210103727
Publication date
Apr 8, 2021
HITACHI SOLUTIONS, LTD.
Kishiko MARUYAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Map Data Delivering Device, Communication Terminal, and Map Deliver...
Publication number
20090171976
Publication date
Jul 2, 2009
Hitachi, Ltd.
Kiyohiro Obara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Navigation Apparatus
Publication number
20090157296
Publication date
Jun 18, 2009
XANAVI INFORMATICS CORPORATION
Yuta Kobayashi
G01 - MEASURING TESTING
Information
Patent Application
Navigation Apparatus
Publication number
20090157295
Publication date
Jun 18, 2009
XANAVI INFORMATICS CORPORATION
Katsuya Asada
G01 - MEASURING TESTING
Information
Patent Application
On-Vehicle Map Display Apparatus, Map Display Method
Publication number
20080275631
Publication date
Nov 6, 2008
XANAVI INFORMATICS CORPORATION
Akio Sumizawa
G08 - SIGNALLING
Information
Patent Application
NAVIGATION APPARATUS
Publication number
20070244635
Publication date
Oct 18, 2007
Akinori ASAHARA
G01 - MEASURING TESTING
Information
Patent Application
Map display method
Publication number
20060220923
Publication date
Oct 5, 2006
Masaaki Tanizaki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Map processor, navigation device and map displaying method
Publication number
20060184317
Publication date
Aug 17, 2006
Akinori Asahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Map data delivering method for communication-type navigation system
Publication number
20060106534
Publication date
May 18, 2006
Yukihiro Kawamata
G08 - SIGNALLING
Information
Patent Application
Navigation apparatus, map data distribution apparatus, map data dis...
Publication number
20060092179
Publication date
May 4, 2006
XANAVI INFORMATICS CORPORATION
Akio Sumizawa
G08 - SIGNALLING
Information
Patent Application
Abridged map generating apparatus, on-vehicle information terminal,...
Publication number
20060089795
Publication date
Apr 27, 2006
XANAVI INFORMATICS CORPORATION
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Application
Abridged map generating apparatus, on-vehicle information terminal,...
Publication number
20060085122
Publication date
Apr 20, 2006
XANAVI INFORMATICS CORPORATION
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Application
Abridged map generating apparatus, on-vehicle information terminal,...
Publication number
20060085126
Publication date
Apr 20, 2006
XANAVI INFORMATICS CORPORATION
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Application
On-vehicle information terminal, abridged map generating apparatus,...
Publication number
20050216188
Publication date
Sep 29, 2005
XANAVI INFORMATICS CORPORATIONS
Akio Sumizawa
G01 - MEASURING TESTING
Information
Patent Application
Map information supply device for mobile units
Publication number
20050102097
Publication date
May 12, 2005
Masaaki Tanizaki
G01 - MEASURING TESTING
Information
Patent Application
Car navigation system
Publication number
20040236507
Publication date
Nov 25, 2004
Kishiko Maruyama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Portable terminal with the function of walking navigation
Publication number
20040204825
Publication date
Oct 14, 2004
Hitachi, Ltd.
Kishiko Maruyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable terminal with the function of walking navigation
Publication number
20030195695
Publication date
Oct 16, 2003
Hitachi, Ltd.
Kishiko Maruyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable terminal with the function of walking navigation
Publication number
20020165662
Publication date
Nov 7, 2002
Hitachi, Ltd.
Kishiko Maruyama
G01 - MEASURING TESTING