Inventor

Ippei Ogawa

Inventor

Kanagawa, JP

Overview

10→

Patents

2001–2017

Patent span

Physics

Primary field (CPC G)

Patents· 10 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 transducer45%

Y10TTechnical subjects covered by former us classification25%

A23BPreservation of foods, foodstuffs or non-alcoholic beverages5%

A23CDairy products, e.g. milk, butter or cheese5%

A23FCoffee5%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for5%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

PatentTitleYear

9,814,248'Photodegradation resistant beverage'2017 8,270,271'Optical recording medium and information recording method'2012 7,403,457'Method and apparatus for recording information with a multi-layer structure'2008 7,190,652'Pulse shape modulation and information recording and reproducing technique using pulsed laser beam'2007 6,866,910'Information recording medium'2005 6,697,312'Phase-change optical information recording method'2004 6,562,432'Optical recording medium and method of manufacturing the optical recording medium'2003 6,497,935'Phase-change optical information recording medium'2002 6,388,978'Optical recording method for a rewritable phase-change optical recording medium'2002 6,280,810'Phase-change information recording medium and optical recording method to make higher rotation rates feasible'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2008Patents assigned to RICOH KK (8)· patent assignee history

2001–2002Based in Shizuoka, JP· patent location history

2002–2012Based in Kanagawa, JP· patent location history

2012–2017Patents assigned to OGAWA IPPEI (2)· patent assignee history

2012Patents assigned to MATSUBA TAKANOBU (1)· patent assignee history

2017Patents assigned to IMAZAWA TAKESHI (1)· patent assignee history

2017Patents assigned to MEIJI CO LTD (1)· patent assignee history

2017Based in Odawara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	8	2001–2008
OGAWA IPPEIself	2	2012–2017
IMAZAWA TAKESHI	1	2017
MATSUBA TAKANOBU	1	2012
MEIJI CO LTD	1	2017

Locations

Location	Patents	Span
Kanagawa, JP	7	2002–2012
Shizuoka, JP	2	2001–2002
Odawara, JP	1	2017