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Inventor

Atsuhi Shimada

Inventor
Koriyama, JP

Overview

2→
Patents
2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C03Bprimary
C03BManufacture, shaping, or supplementary processes67%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
6,484,540'Method for welding a quartz glass tube for use as an optical fiber preform'20026,425,270'Rod in tube method of forming a fiber preform, with maintaining a gas supply until after an end is stretched'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to HERAEUS QUARZGLAS (2)· patent assignee history
2002Patents assigned to SHINETSU QUARTZ PROD (2)· patent assignee history
2002Based in Koriyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HERAEUS QUARZGLAS22002
SHINETSU QUARTZ PROD22002
Locations
LocationPatentsSpan
Koriyama, JP22002