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Inventor

HIROSHI KAMIZUMA

Inventor
JP

Overview

3→
Patents
2024–2025
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 systems33%
H01CResistors11%
H01LSemiconductor devices11%
H02HEmergency protective circuit arrangements11%
H05KPrinted circuits11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
PatentTitleYear
12,512,385Power conversion apparatus202512,512,766Power conversion device202512,034,379Power conversion system2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to HITACHI LTD (3)· patent assignee history
2024–2025Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD32024–2025
Locations
LocationPatentsSpan
JP32024–2025