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Inventor

Seiichi Hosokawa

Inventor
Takarazuka, JP

Overview

10→
Patents
2002–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

C04Bprimary
C04BLime, magnesia21%
H01FMagnets21%
C01GCompounds containing metals not covered by subclasses c01d or c01f19%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds19%
G11BInformation storage based on relative movement between record carrier and transducer11%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
9,601,247'Sintered ferrite magnet and its production method'20178,506,838'Sintered ferrite magnet and its production method'20138,206,606'Oxide magnetic material'20127,758,767'Oxide magnetic material and sintered magnet'20107,144,642'Permanent magnet and method for preparation thereof'20066,994,797'Permanent magnet and method for preparation thereof'20066,955,768'Permanent magnet and method for preparation thereof'20056,929,758'Permanent magnet and method for preparation thereof'20056,758,986'Magnet powder and method for preparations thereof'20046,419,847'Ferrite magnet powder and magnet using said magnet powder, and method for preparing them'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2004Patents assigned to SUMITOMO SPEC METALS (2)· patent assignee history
2002–2006Based in Takarazuka, JP· patent location history
2004–2005Based in Hyogo, JP· patent location history
2005–2010Patents assigned to NEOMAX CO LTD (5)· patent assignee history
2010–2017Based in Osaka, JP· patent location history
2012–2017Patents assigned to HITACHI METALS LTD (3)· patent assignee history
2012–2013Patents assigned to HOSOKAWA SEIICHI (2)· patent assignee history
2012–2013Patents assigned to ODA ETSUSHI (2)· patent assignee history
2013Based in Mishima-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEOMAX CO LTD52005–2010
HITACHI METALS LTD32012–2017
HOSOKAWA SEIICHIself22012–2013
ODA ETSUSHI22012–2013
SUMITOMO SPEC METALS22002–2004
Locations
LocationPatentsSpan
Takarazuka, JP42002–2006
Osaka, JP32010–2017
Hyogo, JP22004–2005
Mishima-shi, JP12013