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Inventor

Shuhei Yoshizawa

Inventor
Tokyo, JP

Overview

8→
Patents
2002–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels23%
C03BManufacture, shaping, or supplementary processes19%
Y02PClimate change mitigation technologies in the production or processing of goods19%
G02BOptical elements, systems or apparatus8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B08BCleaning in general4%
B23KSoldering or unsoldering4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
8,402,786'Synthetic silica glass optical component and process for its production'20138,202,010'Connector component for optical fiber, manufacturing method thereof and optical member'20127,266,282'Fiber array for optical communication and method of manufacturing the fiber array'20077,022,633'Synthetic quartz glass and process for producing it'20066,611,317'Exposure apparatus, semiconductor device, and photomask'20036,576,578'Synthetic quartz glass and method for preparing the same'20036,544,914'Synthetic quartz glass for optical member, process for producing the same, and method of using the same'20036,499,317'Synthetic quartz glass and method for production thereof'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2013Patents assigned to ASAHI GLASS CO LTD (6)· patent assignee history
2002–2013Based in Tokyo, JP· patent location history
2007–2012Patents assigned to KOHOKU KOGYO KK (2)· patent assignee history
2007–2012Based in Shiga, JP· patent location history
2012–2013Patents assigned to YOSHIZAWA SHUHEI (2)· patent assignee history
2012Patents assigned to ARAKI HARUHITO (1)· patent assignee history
2013Patents assigned to IKUTA YOSHIAKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI GLASS CO LTD62002–2013
KOHOKU KOGYO KK22007–2012
YOSHIZAWA SHUHEIself22012–2013
ARAKI HARUHITO12012
IKUTA YOSHIAKI12013
Locations
LocationPatentsSpan
Tokyo, JP62002–2013
Shiga, JP22007–2012