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Inventor

Tatsumi Ishiwata

Inventor
Zushi, JP

Overview

3→
Patents
1985–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H10Fprimary
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation50%
G06FElectric digital data processing25%
H04NPictorial communication, e.g. television25%
PatentTitleYear
8,670,145'Controlling image processing system'20144,788,522'Image sensing'19884,499,384'Image sensing device'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1988Patents assigned to RICOH KK (2)· patent assignee history
1985–1988Based in Zushi, JP· patent location history
2014Patents assigned to ASAI TAKAHIRO (1)· patent assignee history
2014Patents assigned to ISHIWATA TATSUMI (1)· patent assignee history
2014Patents assigned to OGASAWARA NARUHIKO (1)· patent assignee history
2014Patents assigned to RICOH CO LTD (1)· patent assignee history
2014Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK21985–1988
ASAI TAKAHIRO12014
ISHIWATA TATSUMIself12014
OGASAWARA NARUHIKO12014
RICOH CO LTD12014
Locations
LocationPatentsSpan
Zushi, JP21985–1988
Yokohama, JP12014