LexDanaLexDanabeta
Inventor

Hobart Atsushi Higuchi

Inventor
San Jose, CA, US

Overview

3→
Patents
1976–1980
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G05Fprimary
G05FSystems for regulating electric or magnetic variables40%
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 systems40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
4,232,363'AC to DC Converter with enhanced buck/boost regulation'19804,025,863'Regulating electric power circuit arrangement'19773,965,408'Controlled ferroresonant transformer regulated power supply'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to IBM (3)· patent assignee history
1976–1980Based in San Jose, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM31976–1980
Locations
LocationPatentsSpan
San Jose, California, US31976–1980