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Inventor

Masahiro Shizawa

Inventor
Atsugi, JP

Overview

2→
Patents
1989–1992
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H04Mprimary
H04MTelephonic communication50%
H04QSelecting25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,086,456'Dial unit detachably mounted on public telephone for equal access'19924,837,814'Telephone set'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Patents assigned to ANRITSU CORP (2)· patent assignee history
1989–1992Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ANRITSU CORP21989–1992
Locations
LocationPatentsSpan
Atsugi, JP21989–1992