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Inventor

Motohiko Makino

Inventor
Tokyo, JP

Overview

7→
Patents
1977–1993
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G03Gprimary
G03GElectrography38%
C23FNon-mechanical removal of metallic material from surface15%
H01FMagnets15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
C04BLime, magnesia8%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals8%
PatentTitleYear
5,260,160'Magnetic composition and method for developing electrostatic latent images'19935,053,305'Composition and method for developing electrostatic latent images'19914,485,162'Magnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush development'19844,473,483'Magnetic toner and ink'19844,282,302'Ferrite powder type magnetic toner used in electrophotography and process for producing the same'19814,169,028'Cathodic protection'19794,039,417'Electrode assembly for use in cathodic protection'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to TDK ELECTRONICS CO LTD (5)· patent assignee history
1977Based in Nikaho, JP· patent location history
1979Based in Nikako, JP· patent location history
1981–1984Based in Tokyo, JP· patent location history
1984Patents assigned to CANON KK (1)· patent assignee history
1991–1993Patents assigned to TDK CORP (2)· patent assignee history
1991–1993Based in Akita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK ELECTRONICS CO LTD51977–1984
TDK CORP21991–1993
CANON KK11984
Locations
LocationPatentsSpan
Tokyo, JP31981–1984
Akita, JP21991–1993
Nikako, JP11979
Nikaho, JP11977