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Inventor

Masahiro Amemiya

Inventor
Takatsuki, JP

Overview

10→
Patents
1976–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H01Fprimary
H01FMagnets24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
B22FWorking metallic powder10%
G11BInformation storage based on relative movement between record carrier and transducer10%
Y10TTechnical subjects covered by former us classification10%
A61KPreparations for medical, dental or toiletry purposes5%
A61QSpecific use of cosmetics or similar toiletry preparations5%
C07BGeneral methods of organic chemistry5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
PatentTitleYear
8,568,783'Hydrophilized substrate, dispersion, and making method'20138,158,716'Preparation of hydrolyzable group-containing organohydrogenpolysiloxane and organopolysiloxane derived therefrom'20126,417,147'Cleaning agent composition, method for cleaning and use thereof'20024,956,220'Magnetic recording medium'19904,456,475'Process for preparing ferromagnetic particles comprising metallic iron'19844,400,337'Method for production of metal magnetic particles'19834,390,361'Process for preparing ferromagnetic particles comprising metallic iron'19834,262,037'Method of producing ferromagnetic metal powder'19814,043,846'Method of producing ferromagnetic metal powder by gaseous reduction of silicon compound-coated raw material'19773,956,152'Magnetic recording media'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to HITACHI LTD (3)· patent assignee history
1977Based in Hino, JP· patent location history
1981–1990Based in Takatsuki, JP· patent location history
1983–1990Patents assigned to HITACHI MAXELL (4)· patent assignee history
1983–1984Based in Osaka, JP· patent location history
2002Based in Fukushima, JP· patent location history
2012–2013Patents assigned to AMEMIYA MASAHIRO (2)· patent assignee history
2012–2013Patents assigned to SHINETSU CHEMICAL CO (2)· patent assignee history
2012Patents assigned to ASAI MITSUO (1)· patent assignee history
2012–2013Based in Annaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI MAXELL41983–1990
HITACHI LTD31976–1981
AMEMIYA MASAHIROself22012–2013
SHINETSU CHEMICAL CO22012–2013
ASAI MITSUO12012
Locations
LocationPatentsSpan
Takatsuki, JP31981–1990
Annaka, JP22012–2013
Osaka, JP21983–1984
Fukushima, JP12002
Hino, JP11977