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Inventor

Keishiro Hirohata

Inventor
Shiga, JP

Overview

2→
Patents
2013–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B66Bprimary
B66BElevators100%
PatentTitleYear
8,672,098'Elevator safety device with foreign matter detection using a light beam'20148,584,809'Safety device for elevator'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2014Patents assigned to FUJII TAKUYA (2)· patent assignee history
2013–2014Patents assigned to FUJITEC KK (2)· patent assignee history
2013–2014Patents assigned to HIROHATA KEISHIRO (2)· patent assignee history
2013–2014Patents assigned to KASHIWAKURA HIROSHI (2)· patent assignee history
2013Patents assigned to CHEN WEIFENG (1)· patent assignee history
2013–2014Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJII TAKUYA22013–2014
FUJITEC KK22013–2014
HIROHATA KEISHIROself22013–2014
KASHIWAKURA HIROSHI22013–2014
CHEN WEIFENG12013
Locations
LocationPatentsSpan
Shiga, JP22013–2014