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Inventor

Yutaka Nishiyama

Inventor
Higashiyamato, JP

Overview

2→
Patents
1980–1981
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B41Jprimary
B41JTypewriters33%
F02PIgnition, other than compression ignition, for internal-combustion engines33%
G01DMeasuring not specially adapted for a specific variable33%
PatentTitleYear
4,246,478'Position detector with two timing disks rotating at different speeds'19814,230,039'Drum printer with helically arranged type sets'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1981Patents assigned to CITIZEN WATCH CO LTD (2)· patent assignee history
1980–1981Based in Higashiyamato, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIZEN WATCH CO LTD21980–1981
Locations
LocationPatentsSpan
Higashiyamato, JP21980–1981