Inventor
Kenzo Iwayama
Inventor
Kitakyushu, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals45%
C22CAlloys14%
Y10TTechnical subjects covered by former us classification14%
B22DCasting of metals9%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys9%
H01FMagnets9%
PatentTitleYear
5,394,721'Method of producing permalloy cores'19955,286,315'Process for preparing rollable metal sheet from quenched solidified thin cast sheet as starting material'19945,102,477'Method of manufacturing high permeability Fe-Ni system alloy'19925,066,343'Process for preparation of thin grain oriented electrical steel sheet having superior iron loss and high flux density'19915,051,138'Method of producing grain oriented electrical steel sheet having high magnetic flux'19915,049,204'Process for producing a grain-oriented electrical steel sheet by means of rapid quench-solidification process'19914,888,066'Method for producing grain-oriented electrical steel sheet with very high magnetic flux density'19894,824,493'Process for producing a grain-oriented electrical steel sheet having improved magnetic properties'19894,692,193'Process for producing a grain-oriented electrical steel sheet having a low watt loss'19874,595,426'Grain-oriented silicon steel sheet and process for producing the same'19864,318,758'Method for producing a grain-oriented magnetic steel sheet having good magnetic properties'19824,268,326'Process for producing grain oriented electrical silicon steel sheet'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1995Patents assigned to NIPPON STEEL CORP (12)· patent assignee history
1981–1995Based in Kitakyushu, JP· patent location history
1991Based in Otawara-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 12 | 1981–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitakyushu, JP | 11 | 1981–1995 |
| Otawara-shi, JP | 1 | 1991 |