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Inventor

Hiroyuki Hanei

Inventor
Chiba, JP

Overview

3→
Patents
1988–1999
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.

H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems50%
G01DMeasuring not specially adapted for a specific variable25%
H05KPrinted circuits25%
PatentTitleYear
5,940,272'Electric apparatus having heat radiating fin'19995,530,331'Encoder, servo system and industrial robot'19964,772,996'Load current detecting device for pulse width modulation inverter'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1999Patents assigned to HITACHI LTD (3)· patent assignee history
1988–1999Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31988–1999
Locations
LocationPatentsSpan
Chiba, JP31988–1999