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Inventor

Keietsu Sato

Inventor
Hanamaki, JP

Overview

1→
Patents
2013
Patent span
Physics
Primary field (CPC G)

Patents· 1 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus50%
H04NPictorial communication, e.g. television50%
PatentTitleYear
8,511,831'Optical device and projection-type image display apparatus'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to IKEDA TAKASHI (1)· patent assignee history
2013Patents assigned to MATSUMOTO SHINYA (1)· patent assignee history
2013Patents assigned to RICOH OPTICAL IND CO (1)· patent assignee history
2013Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history
2013Patents assigned to SATO KEIETSU (1)· patent assignee history
2013Based in Hanamaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IKEDA TAKASHI12013
MATSUMOTO SHINYA12013
RICOH OPTICAL IND CO12013
SANYO ELECTRIC CO12013
SATO KEIETSUself12013
Locations
LocationPatentsSpan
Hanamaki, JP12013