Inventor

Yasuyuki Koyagi

Inventor

Kyoto, JP

Overview

5→

Patents

1990–2009

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

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

B29Cprimary

B29CShaping or joining of plastics33%

B41JTypewriters33%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering17%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%

PatentTitleYear

7,568,904'Stereolithography apparatus'2009 7,083,405'Photo-fabrication apparatus'2006 6,662,139'Drawing apparatus and method of attaching balance weights'2003 6,505,142'Drawing apparatus and method of attaching balance weights'2003 4,971,443'Optical position detecting method and apparatus therefor'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2006Patents assigned to DAINIPPON SCREEN MFG (4)· patent assignee history

1990Based in Tenjinkitamachi, JP· patent location history

2003–2009Based in Kyoto, JP· patent location history

2009Patents assigned to LASER SOLUTIONS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DAINIPPON SCREEN MFG	4	1990–2006
LASER SOLUTIONS CO LTD	1	2009

Locations

Location	Patents	Span
Kyoto, JP	4	2003–2009
Tenjinkitamachi, JP	1	1990