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Inventor

Miharu Hirado

Inventor
Yokohama, JP

Overview

2→
Patents
1987
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.

C21Dprimary
C21DModifying the physical structure of ferrous metals29%
Y02PClimate change mitigation technologies in the production or processing of goods29%
B23KSoldering or unsoldering14%
F16LPipes14%
H05BElectric heating14%
PatentTitleYear
4,694,131'Induction heating method and apparatus for relieving residual stress in welded joint between main and branch pipes'19874,687,894'Induction heating method and apparatus for relieving residual stress in welded joints in pipe line'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to DAIICHI KOSHUHA KOGYO KK (2)· patent assignee history
1987Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (2)· patent assignee history
1987Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIICHI KOSHUHA KOGYO KK21987
ISHIKAWAJIMA HARIMA HEAVY IND21987
Locations
LocationPatentsSpan
Yokohama, JP21987