Inventor
Toshihiko Takata
Inventor
Kitakyushu, JP
Overview
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 metals38%
H01FMagnets15%
C23DEnamelling of, or applying a vitreous layer to, metals8%
F01LCyclically operating valves for machines or engines8%
F02BInternal-combustion piston engines8%
F02FCylinders, pistons or casings, for combustion engines8%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%
Y02TClimate change mitigation technologies related to transportation8%
PatentTitleYear
5,028,279'Grain oriented electrical steel sheet having improved glass film properties and low watt loss and process for producing same'19914,897,131'Grain-oriented electrical steel sheet having improved glass film properties and low watt loss'19904,627,400'Porting system for internal combustion engine'19864,096,000'Annealing separator for silicon steel sheets'19783,933,024'Method for cold rolling of a high magnetic flux density grain-oriented electrical steel sheet or strip having excellent properties'19763,932,236'Method for producing a super low watt loss grain oriented electrical steel sheet'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1991Patents assigned to NIPPON STEEL CORP (5)· patent assignee history
1976–1991Based in Kitakyushu, JP· patent location history
1986Patents assigned to YAMAHA MOTOR CO LTD (1)· patent assignee history
1986Based in Hamamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 5 | 1976–1991 |
| YAMAHA MOTOR CO LTD | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitakyushu, JP | 5 | 1976–1991 |
| Hamamatsu, JP | 1 | 1986 |