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Inventor

Kouji Ashikawa

Inventor
Hiratsuka, JP

Overview

4→
Patents
2014–2018
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus33%
H05GX-ray technique33%
G21KHandling of particles or ionising radiation not otherwise provided for22%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light11%
PatentTitleYear
9,966,721Laser system20189,198,273'Extreme ultraviolet light generation apparatus'20158,884,257'Chamber apparatus and extreme ultraviolet light generation system'20148,809,821'Holder device, chamber apparatus, and extreme ultraviolet light generation system'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2018Patents assigned to GIGAPHOTON INC (4)· patent assignee history
2014Patents assigned to ASHIKAWA KOUJI (2)· patent assignee history
2014Patents assigned to FUJIMOTO JUNICHI (2)· patent assignee history
2014Patents assigned to KAMEDA HIDENOBU (1)· patent assignee history
2014Patents assigned to NAGAI SHINJI (1)· patent assignee history
2014Based in Hiratsuka, JP· patent location history
2015Based in Tochigi, JP· patent location history
2018Based in Oyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GIGAPHOTON INC42014–2018
ASHIKAWA KOUJIself22014
FUJIMOTO JUNICHI22014
KAMEDA HIDENOBU12014
NAGAI SHINJI12014
Locations
LocationPatentsSpan
Hiratsuka, JP22014
Oyama, JP12018
Tochigi, JP12015