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Inventor

Michihisa Shimizu

Inventor
Chuo-ku, JP

Overview

3→
Patents
1992–2006
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Fprimary
H01FMagnets50%
B22FWorking metallic powder25%
H01GCapacitors25%
PatentTitleYear
7,027,288'Multilayer ceramic condenser'20067,022,252'Permanent magnetic alloy and bonded magnet'20065,164,023'Rare earth permanent magnet, method of heat treatment of same, and magnet body'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2006Patents assigned to HITACHI METALS LTD (2)· patent assignee history
1992Based in Gyoda, JP· patent location history
2006Patents assigned to TDK CORP (1)· patent assignee history
2006Based in Chuo-ku, JP· patent location history
2006Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI METALS LTD21992–2006
TDK CORP12006
Locations
LocationPatentsSpan
Chuo-ku, JP12006
Saitama, JP12006
Gyoda, JP11992