Inventor

Hironobu KUMAOKA

Inventor
JP

Overview

6→
Patents
2022–2024
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H01Fprimary
H01FMagnets46%
C22CAlloys31%
B22DCasting of metals8%
B22FWorking metallic powder8%
C21DModifying the physical structure of ferrous metals8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2024Patents assigned to TDK CORP (6)· patent assignee history
2022–2024Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP62022–2024
Locations
LocationPatentsSpan
JP62022–2024