Inventor

Chikao Tezuka

Inventor

Shiojiri, JP

Overview

12→

Patents

1978–2012

Patent span

Performing operations

Primary field (CPC B)

Patents· 12 as inventor

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

B41Jprimary

B41JTypewriters61%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering17%

G03GElectrography11%

B41FPrinting machines or presses6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

8,104,856'Printer'2012 7,819,055'Three-dimensional printer'2010 7,740,349'Printer and printing method'2010 5,104,248'Print wheel shift mechanism for use with a miniature printer'1992 4,948,273'Drive mechanism for a miniature printer'1990 4,787,761'Miniature printer'1988 D0286545'Ink ribbon cartridge'1986 4,534,665'Serial printer'1985 4,270,448'Printing device'1981 4,165,687'Printing equipment and method of operation thereof'1979 4,152,982'Miniature printer'1979 4,111,117'Selecting mechanism for printing type rings'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Based in Shiojiri-shi, JP· patent location history

1979–1985Patents assigned to SUWA SEIKOSHA KK (4)· patent assignee history

1979–1985Patents assigned to EPSON CORP (2)· patent assignee history

1979–1992Based in Shiojiri, JP· patent location history

1986–1992Patents assigned to SEIKO EPSON CORP (4)· patent assignee history

2010–2012Patents assigned to MIMAKI ENG KK (3)· patent assignee history

2010–2012Patents assigned to INST NAT COLLEGES TECH JAPAN (2)· patent assignee history

2010–2012Based in Tomi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO EPSON CORP	4	1986–1992
SUWA SEIKOSHA KK	4	1979–1985
MIMAKI ENG KK	3	2010–2012
EPSON CORP	2	1979–1985
INST NAT COLLEGES TECH JAPAN	2	2010–2012

Locations

Location	Patents	Span
Shiojiri, JP	8	1979–1992
Tomi, JP	3	2010–2012
Shiojiri-shi, JP	1	1978