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Inventor

Keitaro Yokoyama

Inventor
Tokyo, JP

Overview

11→
Patents
2009–2020
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus69%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them19%
H04NPictorial communication, e.g. television13%
PatentTitleYear
10,606,045Zoom lens and image pickup apparatus using the same20209,977,227Zoom lens and image pickup apparatus using the same20189,964,744Zoom lens and image pickup apparatus using the same20189,638,917'Zoom lens and image pickup apparatus using the same'20179,465,204'Zoom lens and image pickup apparatus using the same'20169,235,037'Zoom lens and image pickup apparatus using the same'20168,988,783'Zoom lens and image pickup apparatus equipped with same'20158,248,716'Imaging optical system, and imaging apparatus incorporating the same'20127,969,658'Eyepiece optical system and electronic view finder incorporating the same'20117,855,837'Viewing optical system and imaging apparatus incorporating the same'20107,605,983'Viewing optical system, and imaging apparatus comprising the same'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2016Patents assigned to OLYMPUS IMAGING CORP (6)· patent assignee history
2009Based in Shibuya-ku, JP· patent location history
2010–2012Based in Hachioji, JP· patent location history
2012Patents assigned to KAWAMURA KAZUTERU (1)· patent assignee history
2012Patents assigned to YOKOYAMA KEITARO (1)· patent assignee history
2015–2020Based in Tokyo, JP· patent location history
2016–2020Patents assigned to OLYMPUS CORP (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS CORP62016–2020
OLYMPUS IMAGING CORP62009–2016
KAWAMURA KAZUTERU12012
YOKOYAMA KEITAROself12012
Locations
LocationPatentsSpan
Tokyo, JP72015–2020
Hachioji, JP32010–2012
Shibuya-ku, JP12009