Inventor
Toyohiko Konno
Inventor
Kitakyushu, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals44%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
C22CAlloys11%
H01FMagnets11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
5,330,851'Corrosion resistant Al or Al alloy materials'19945,082,509'Method of producing oriented electrical steel sheet having superior magnetic properties'19924,929,286'Method for producing a grain-oriented electrical steel sheet'19904,632,708'Annealing separator used in the finishing annealing step for producing a grain-oriented electrical steel sheet'19864,623,407'Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1992Patents assigned to NIPPON STEEL CORP (4)· patent assignee history
1986–1992Based in Kitakyushu, JP· patent location history
1994Patents assigned to KOBE STEEL LTD (1)· patent assignee history
1994Based in Stanford, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 4 | 1986–1992 |
| KOBE STEEL LTD | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitakyushu, JP | 4 | 1986–1992 |
| Stanford, California, US | 1 | 1994 |