LexDanaLexDanabeta
Inventor

Yoshimitsu Ohtaka

Inventor
Shizuoka, JP

Overview

12→
Patents
1989–2011
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.

G03Gprimary
G03GElectrography30%
B41JTypewriters25%
F15CFluid-circuit elements predominantly used for computing or control purposes10%
F16KValves10%
Y10TTechnical subjects covered by former us classification10%
B01LChemical or physical laboratory apparatus for general use5%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
8,031,218'Recording apparatus with a record head and recording method using the record head'20117,804,759'Contactless optical writing apparatus'20107,135,330'Nucleic acid detecting cassette, nucleic and detecting apparatus utilizing nucleic acid detecting cassette, and nucleic acid detecting system utilizing nucleic acid detecting cassette'20065,436,698'Image forming unit having a detachable cartridge'19955,323,215'Charging members for charging a photosensitive body without removing used toner from the body'19945,294,961'Recording apparatus with two charging units for achieving uniform after-transfer zones distribution'19945,110,705'Contact type developing method and developing unit'19925,066,982'Cleaner-less image forming apparatus'19915,051,332'Electrophotographic image forming method using one component toner and simultaneous cleaning and developing'19914,885,830'Process of producing a valve element'19894,864,325'Printing device'19894,821,999'Valve element and process of producing the same'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1995Patents assigned to TOKYO ELECTRIC CO LTD (9)· patent assignee history
1989–1995Based in Shizuoka, JP· patent location history
1989–1992Based in Mishima, JP· patent location history
1991–1992Patents assigned to TOSHIBA KK (3)· patent assignee history
2006–2011Patents assigned to TOSHIBA TEC KK (3)· patent assignee history
2006Based in Sunto-gun, JP· patent location history
2010–2011Based in Suntou-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO ELECTRIC CO LTD91989–1995
TOSHIBA KK31991–1992
TOSHIBA TEC KK32006–2011
Locations
LocationPatentsSpan
Shizuoka, JP51989–1995
Mishima, JP41989–1992
Suntou-gun, JP22010–2011
Sunto-gun, JP12006