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Inventor

Ryuji Gotoh

Inventor
Gunma, JP

Overview

4→
Patents
1991–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C01Gprimary
C01GCompounds containing metals not covered by subclasses c01d or c01f20%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds20%
C04BLime, magnesia20%
G03GElectrography20%
H01FMagnets20%
PatentTitleYear
8,512,590'Rotating machine, bonded magnet, magnet roll, and method for producing sintered ferrite magnet'20138,303,837'Rotating machine, bonded magnet, magnet roll, and method for producing sintered ferrite magnet'20125,529,628'Developing unit'19965,064,739'Method of developing electrostatic charge pattern with magnetic developer'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2013Patents assigned to HITACHI METALS LTD (4)· patent assignee history
1991Based in Fukaya, JP· patent location history
1996Based in Tomioka, JP· patent location history
2012–2013Patents assigned to GOTOH RYUJI (2)· patent assignee history
2012–2013Patents assigned to IWASAKI HIROSHI (2)· patent assignee history
2012–2013Patents assigned to KOBAYASHI YOSHINORI (2)· patent assignee history
2012–2013Patents assigned to MOCHI NAOKI (2)· patent assignee history
2012–2013Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI METALS LTD41991–2013
GOTOH RYUJIself22012–2013
IWASAKI HIROSHI22012–2013
KOBAYASHI YOSHINORI22012–2013
MOCHI NAOKI22012–2013
Locations
LocationPatentsSpan
Gunma, JP22012–2013
Tomioka, JP11996
Fukaya, JP11991