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Inventor

Atsuhiko Kawamura

Inventor
Tokyo, JP

Overview

3→
Patents
1994–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B23Kprimary
B23KSoldering or unsoldering29%
B01DSeparation14%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons14%
F28BSteam or vapour condensers14%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact14%
G02BOptical elements, systems or apparatus14%
PatentTitleYear
10,940,400Heat treatment furnace device and method for producing carbon fiber bundle20216,008,469'Laser beam branching apparatus'19995,298,716'Laser processing head and method for operation thereof'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1999Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1994Based in Aichi, JP· patent location history
1999Based in Nagoya, JP· patent location history
2021Patents assigned to MITSUBISHI CHEM CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP21994–1999
MITSUBISHI CHEM CORP12021
Locations
LocationPatentsSpan
Tokyo, JP12021
Nagoya, JP11999
Aichi, JP11994