LexDanaLexDanabeta
Inventor

Sunao Hatanaka

Inventor
Takizawa, JP

Overview

7→
Patents
1988–1993
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G03Gprimary
G03GElectrography60%
B41JTypewriters20%
G06FElectric digital data processing10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
5,209,448'Flat display holding mechanism'19935,010,365'Electrophotographic apparatus having positioning mechanism for detachable process cartridge'19914,903,047'Electrophotographic printer'19904,806,969'Fixing device'19894,806,972'Printer'19894,785,317'Double-side printer'19884,768,056'Impact printer and copier'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1993Patents assigned to ALPS ELECTRIC CO LTD (7)· patent assignee history
1988–1991Based in Takizawa, JP· patent location history
1989–1993Based in Iwate, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD71988–1993
Locations
LocationPatentsSpan
Takizawa, JP51988–1991
Iwate, JP21989–1993