Inventor

Hirotaka Fujita

Inventor

Sakai, JP

Overview

2010–2021

Patent span

Performing operations

Primary field (CPC B)

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

B60Bprimary

B60BVehicle wheels13%

B62KCycles13%

B62LBrakes specially adapted for cycles13%

B62MRider propulsion of wheeled vehicles or sledges13%

F16DCouplings for transmitting rotation13%

B41JTypewriters7%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%

G02BOptical elements, systems or apparatus7%

H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines7%

H04QSelecting7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2010Based in Kitasaku-gun, JP· patent location history

2011–2012Patents assigned to HITACHI PLANT TECHNOLOGIES LTD (2)· patent assignee history

2011–2012Based in Tokyo, JP· patent location history

2012Patents assigned to FUJITA HIROTAKA (1)· patent assignee history

2015Patents assigned to CITIZEN HOLDINGS CO LTD (1)· patent assignee history

2015Patents assigned to CITIZEN SYSTEMS JAPAN CO LTD (1)· patent assignee history

2015Based in Kodaira, JP· patent location history

2021Patents assigned to SHIMANO KK (2)· patent assignee history

2021Based in Sakai, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI PLANT TECHNOLOGIES LTD	2	2011–2012
SHIMANO KK	2	2021
CITIZEN HOLDINGS CO LTD	1	2015
CITIZEN SYSTEMS JAPAN CO LTD	1	2015
FUJITA HIROTAKAself	1	2012

Locations