Inventor

Hiroyuki Ootsuka

Inventor

Kanagawa, JP

Overview

12→

Patents

2003–2014

Patent span

Performing operations

Primary field (CPC B)

Patents· 12 as inventor

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

B41Jprimary

B41JTypewriters36%

A61BDiagnosis14%

B21BRolling of metal14%

F21SNon-portable lighting devices7%

F21VFunctional features or details of lighting devices or systems thereof7%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted7%

H01BCables7%

H02HEmergency protective circuit arrangements7%

PatentTitleYear

8,690,394'Illuminating device for reducing unevenness in illuminance on an irradiation target face'2014 8,328,355'Ophthalmic device'2012 8,282,200'Liquid supplying reservoir'2012 8,166,785'Rolling mill apparatus and method of shape control of rolled strip and plate'2012 8,075,076'Signal processing apparatus, droplet ejection apparatus and signal processing method'2011 7,848,069'Protective circuit'2010 7,588,308'Liquid ejection apparatus and air bubble determination method'2009 7,506,982'Ophthalmologic photographing apparatus'2009 7,497,543'Liquid ejection apparatus and ejection abnormality factor extraction method'2009 7,458,654'Liquid ejection apparatus and ejection abnormality determination method'2008 7,305,859'Rolling mill'2007 6,613,983'Thin-conductor foamed-polyolefin-insulated wire and manufacturing method thereof'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2012Based in Yokohama, JP· patent location history

2008–2012Patents assigned to FUJIFILM CORP (4)· patent assignee history

2008–2012Based in Kanagawa, JP· patent location history

2009–2012Patents assigned to TOPCON CORP (2)· patent assignee history

2009–2012Based in Itabashi-ku, JP· patent location history

2010Based in Hyogo, JP· patent location history

2011–2014Patents assigned to OOTSUKA HIROYUKI (5)· patent assignee history

2011Patents assigned to FUJIFILM COPORATION (1)· patent assignee history

2012Patents assigned to HONJOU HISASHI (1)· patent assignee history

2014Based in Gyoda, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OOTSUKA HIROYUKIself	5	2011–2014
FUJIFILM CORP	4	2008–2012
TOPCON CORP	2	2009–2012
FUJIFILM COPORATION	1	2011
HONJOU HISASHI	1	2012

Locations

Location	Patents	Span
Kanagawa, JP	5	2008–2012
Itabashi-ku, JP	2	2009–2012
Yokohama, JP	2	2007–2012
Gyoda, JP	1	2014
Hyogo, JP	1	2010