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Inventor

Hotaka Honma

Inventor
Tokyo, JP

Overview

8→
Patents
1996–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals35%
H01FMagnets30%
C22CAlloys20%
C23CCoating metallic material5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
8,591,671'Non-oriented electrical steel sheet'20138,384,897'Method of analyzing particle size distribution of particles in metal material'20137,942,982'Grain-oriented electrical steel sheet excellent in coating adhesion and method of producing the same'20117,887,646'Oriented magnetic steel plate excellent in coating adhesion and method of production of same'20115,840,131'Process for producing grain-oriented electrical steel sheet having excellent glass film and magnetic properties'19985,685,920'Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same'19975,614,034'Process for producing ultrahigh silicon electrical thin steel sheet by cold rolling'19975,507,883'Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2011Patents assigned to NIPPON STEEL CORP (6)· patent assignee history
1996–1997Based in Kitakyushu, JP· patent location history
1998Based in Chiba, JP· patent location history
2011–2013Based in Tokyo, JP· patent location history
2011Based in Futtsu, JP· patent location history
2013Patents assigned to HONMA HOTAKA (2)· patent assignee history
2013Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history
2013Patents assigned to ARAI SATOSHI (1)· patent assignee history
2013Patents assigned to KOSUGE KENJI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP61996–2011
HONMA HOTAKAself22013
NIPPON STEEL & SUMITOMO METAL CORP22013
ARAI SATOSHI12013
KOSUGE KENJI12013
Locations
LocationPatentsSpan
Tokyo, JP32011–2013
Kitakyushu, JP31996–1997
Futtsu, JP12011
Chiba, JP11998