Inventor

Keiji Hara

Inventor
Minowa-machi, JP

Overview

16→
Patents
1981–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 16 as inventor

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

B41Jprimary
B41JTypewriters55%
A62BDevices, apparatus or methods for life-saving5%
A63FCard, board, or roulette games5%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool5%
B23KSoldering or unsoldering5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
C03BManufacture, shaping, or supplementary processes5%
C22CAlloys5%
H01JElectric discharge tubes or discharge lamps5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2016Patents assigned to SEIKO EPSON CORP (12)· patent assignee history
2011–2013Based in Minowa-machi, JP· patent location history
2012–2014Patents assigned to HARA KEIJI (6)· patent assignee history
2013Patents assigned to IKEGAMI AKIHIKO (1)· patent assignee history
2014Patents assigned to NAKAO HAJIME (2)· patent assignee history
2014Patents assigned to MATSUO AKIRA (1)· patent assignee history
2014–2016Based in Yokohama, JP· patent location history
2014Based in Minowa, JP· patent location history
2014Based in Fukuoka, JP· patent location history
2015–2016Based in Shiojiri, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP122011–2016
HARA KEIJIself62012–2014
NAKAO HAJIME22014
IKEGAMI AKIHIKO12013
MATSUO AKIRA12014
Locations
LocationPatentsSpan
Minowa-machi, JP52011–2013
Yokohama, JP32014–2016
Shiojiri, JP22015–2016
Minowa, JP12014
Fukuoka, JP12014