LexDanaLexDanabeta
Inventor

Hitoshi Ishihama

Inventor
Mitsukaido, JP

Overview

4→
Patents
1993–2006
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables25%
G03GElectrography25%
B41JTypewriters13%
H01JElectric discharge tubes or discharge lamps13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
7,140,321'Plasma processing apparatus and method'20065,348,284'Sheet supply apparatus'19945,201,873'Sheet feeding apparatus having the ability to retract the sheet supply'19935,191,382'Image forming system'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2006Patents assigned to CANON KK (4)· patent assignee history
1993–1994Based in Mitsukaido, JP· patent location history
1993Based in Tokyo, JP· patent location history
2006Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK41993–2006
Locations
LocationPatentsSpan
Mitsukaido, JP21993–1994
Ibaraki, JP12006
Tokyo, JP11993