Inventor

Ryuichi Sunagawa

Inventor

Takasaki, JP

Overview

2001–2021

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer42%

G01SRadio direction-finding21%

G01FMeasuring volume, volume flow, mass flow or liquid level11%

G01WMeteorology5%

G06FElectric digital data processing5%

G08BSignalling systems, e.g. personal calling systems5%

H01QAntennas, i.e. radio aerials5%

H04BTransmission5%

PatentTitleYear

11,068,289Installation assist apparatus, installation assist method, and computer program product2021 10,823,601Water level measuring system, information processing apparatus, and water level measuring method2020 10,698,098Millimeter wave radar and millimeter wave radar detection method2020 10,571,327Water level measuring device2020 10,495,747Snow quality measuring apparatus and snow quality measuring method2019 7,633,844'Optical information recording apparatus, optical information recording method, and signal processing circuit'2009 7,050,367'Optical information recording method and apparatus, and recorded medium where optical information recording control program is recorded'2006 6,990,049'Optical information recording medium, method for recording/reproducing the same, and optical pickup'2006 6,874,156'Optical information recording medium'2005 6,813,232'Optical information recording/reproducing method and device therefor'2004 6,792,613'Optical information recording medium'2004 6,442,119'Method and apparatus for recording optical information'2002 6,208,601'Optical information recording method and apparatus'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2021Patents assigned to TAIYO YUDEN KK (13)· patent assignee history

2001–2021Based in Tokyo, JP· patent location history

2002–2006Based in Takasaki, JP· patent location history

2009–2020Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAIYO YUDEN KK	13	2001–2021

Locations

Location	Patents	Span
Takasaki, JP	6	2002–2006
Tokyo, JP	5	2001–2021
Gunma, JP	2	2009–2020