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Ryuichi SUNAGAWA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Installation assist apparatus, installation assist method, and comp...
Patent number
11,068,289
Issue date
Jul 20, 2021
Taiyo Yuden Co., Ltd.
Hideki Ohkawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Water level measuring system, information processing apparatus, and...
Patent number
10,823,601
Issue date
Nov 3, 2020
Taiyo Yuden Co., Ltd.
Izumi Igawa
G01 - MEASURING TESTING
Information
Patent Grant
Millimeter wave radar and millimeter wave radar detection method
Patent number
10,698,098
Issue date
Jun 30, 2020
Taiyo Yuden Co., Ltd.
Izumi Igawa
G01 - MEASURING TESTING
Information
Patent Grant
Water level measuring device
Patent number
10,571,327
Issue date
Feb 25, 2020
Taiyo Yuden Co., Ltd.
Izumi Igawa
G01 - MEASURING TESTING
Information
Patent Grant
Snow quality measuring apparatus and snow quality measuring method
Patent number
10,495,747
Issue date
Dec 3, 2019
Taiyo Yuden Co., Ltd.
Yutaka Aoki
G01 - MEASURING TESTING
Information
Patent Grant
Optical information recording apparatus, optical information record...
Patent number
7,633,844
Issue date
Dec 15, 2009
Taiyo Yuden Co., Ltd.
Katsuhiro Oyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording method and apparatus, and recorded me...
Patent number
7,050,367
Issue date
May 23, 2006
Taiyo Yuden Co., Ltd.
Akira Negishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium, method for recording/reproduc...
Patent number
6,990,049
Issue date
Jan 24, 2006
Taiyo Yuden Co., Ltd.
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
6,874,156
Issue date
Mar 29, 2005
Taiyo Yuden Co., Ltd.
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording/reproducing method and device therefor
Patent number
6,813,232
Issue date
Nov 2, 2004
Taiyo Yuden Co., Ltd.
Ryuichi Sunagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
6,792,613
Issue date
Sep 14, 2004
Taiyo Yuden Co., Ltd.
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for recording optical information
Patent number
6,442,119
Issue date
Aug 27, 2002
Taiyo Yuden Co., Ltd.
Ryuichi Sunagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording method and apparatus
Patent number
6,208,601
Issue date
Mar 27, 2001
Taiyo Yuden Co., Ltd.
Atsuo Shimizu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
INSTALLATION ASSIST APPARATUS, INSTALLATION ASSIST METHOD, AND COMP...
Publication number
20200310843
Publication date
Oct 1, 2020
Taiyo Yuden Co., Ltd.
Hideki OHKAWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WATER LEVEL MEASURING SYSTEM, INFORMATION PROCESSING APPARATUS, AND...
Publication number
20200209045
Publication date
Jul 2, 2020
Taiyo Yuden Co., Ltd.
Izumi IGAWA
G08 - SIGNALLING
Information
Patent Application
MILLIMETER WAVE RADAR AND MILLIMETER WAVE RADAR DETECTION METHOD
Publication number
20180088227
Publication date
Mar 29, 2018
Taiyo Yuden Co., Ltd.
Izumi IGAWA
G01 - MEASURING TESTING
Information
Patent Application
WATER LEVEL MEASURING DEVICE
Publication number
20180058899
Publication date
Mar 1, 2018
Taiyo Yuden Co., Ltd.
Izumi IGAWA
G01 - MEASURING TESTING
Information
Patent Application
SNOW QUALITY MEASURING APPARATUS AND SNOW QUALITY MEASURING METHOD
Publication number
20170176587
Publication date
Jun 22, 2017
Taiyo Yuden Co., Ltd.
Yutaka AOKI
G01 - MEASURING TESTING
Information
Patent Application
Optical information recording apparatus, optical information record...
Publication number
20060203646
Publication date
Sep 14, 2006
Katsuhiro Oyama
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk recording device and pickup device
Publication number
20060023581
Publication date
Feb 2, 2006
Ryuichi Sunagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium, method for recording/reproduc...
Publication number
20030048734
Publication date
Mar 13, 2003
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20020154595
Publication date
Oct 24, 2002
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20020150034
Publication date
Oct 17, 2002
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20020150030
Publication date
Oct 17, 2002
Yoshikazu Takagishi
G11 - INFORMATION STORAGE