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Inventor

Yosuke Kojima

Inventor
Tokyo, JP

Overview

12→
Patents
2009–2015
Patent span
Physics
Primary field (CPC G)

Patents· 12 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices52%
Y10TTechnical subjects covered by former us classification24%
C23FNon-mechanical removal of metallic material from surface10%
G06FElectric digital data processing5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
PatentTitleYear
9,091,931'Photomask blank and method for manufacturing photomask'20158,913,079'Apparatus, a method and a program thereof'20148,753,787'Light pattern exposure method, photomask, and photomask blank'20148,753,786'Light pattern exposure method, halftone phase shift mask, and halftone phase shift mask blank'20148,475,978'Photomask blank and making method, photomask, light pattern exposure method, and design method of transition metal/silicon base material film'20138,012,654'Photomask blank and photomask'20118,003,284'Photomask blank and photomask'20117,989,124'Photomask blank and photomask making method'20117,767,366'Photomask blank and photomask'20107,767,367'Photomask blank and photomask making method'20107,754,397'Phase-shift mask, manufacturing method thereof and manufacturing method of semiconductor element'20107,632,613'Levenson type phase shift mask and manufacturing method thereof'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2015Patents assigned to TOPPAN PRINTING CO LTD (11)· patent assignee history
2009Based in Niiza, JP· patent location history
2010–2015Patents assigned to SHINETSU CHEMICAL CO (9)· patent assignee history
2010–2015Based in Tokyo, JP· patent location history
2013–2015Patents assigned to KOJIMA YOSUKE (3)· patent assignee history
2013–2015Patents assigned to INAZUKI YUKIO (2)· patent assignee history
2013–2015Patents assigned to KOITABASHI RYUJI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOPPAN PRINTING CO LTD112009–2015
SHINETSU CHEMICAL CO92010–2015
KOJIMA YOSUKEself32013–2015
INAZUKI YUKIO22013–2015
KOITABASHI RYUJI22013–2015
Locations
LocationPatentsSpan
Tokyo, JP112010–2015
Niiza, JP12009