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Inventor

Eiji Hina

Inventor
Okayama, JP

Overview

6→
Patents
1989–1995
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals50%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
H01FMagnets13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,411,604'Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer'19955,382,802'Method of irradiating running strip with energy beams'19955,241,151'Continuous electron beam irradiation of metal strip'19934,942,773'Device for sampling steel material'19904,915,749'Method of reducing iron loss of grain oriented silicon steel sheet'19904,833,930'Method of sampling steel material and a device therefor'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1995Patents assigned to KAWASAKI STEEL CO (6)· patent assignee history
1989–1990Patents assigned to NIPPON AIR BRAKE CO (2)· patent assignee history
1989–1990Based in Kurashiki, JP· patent location history
1990Based in Chiba, JP· patent location history
1993–1995Based in Okayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI STEEL CO61989–1995
NIPPON AIR BRAKE CO21989–1990
Locations
LocationPatentsSpan
Okayama, JP31993–1995
Kurashiki, JP21989–1990
Chiba, JP11990