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Inventor

Masao Kamio

Inventor
Tokyo, JP

Overview

3→
Patents
1981–2003
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.

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them33%
H03HImpedance networks, e.g. resonant circuits33%
H04MTelephonic communication33%
PatentTitleYear
6,639,984'Feeder circuit'20036,087,823'Electronic inductance circuit'20004,274,726'Automatic film winder for camera'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to KONISHIROKU PHOTO IND (1)· patent assignee history
1981–2003Based in Tokyo, JP· patent location history
2000–2003Patents assigned to OKI ELECTRIC IND CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OKI ELECTRIC IND CO LTD22000–2003
KONISHIROKU PHOTO IND11981
Locations
LocationPatentsSpan
Tokyo, JP31981–2003