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Inventor

Michio Sumiyoshi

Inventor
Hitachi, JP

Overview

7→
Patents
1994–2013
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
G03GElectrography42%
G06FElectric digital data processing17%
H04NPictorial communication, e.g. television17%
B41JTypewriters8%
G06KGraphical data reading8%
H04LTransmission of digital information, e.g. telegraphic communication8%
PatentTitleYear
8,422,040'Image forming system and method, management apparatus, and recording medium'20138,405,852'Image forming system using a management apparatus to manage software components'20136,405,001'Power-saving type electrophotography apparatus suitable for use with optional unit having exclusive power supply'20026,330,425'Double-surface printing apparatus'20016,256,464'Electrophotography apparatus'20015,602,578'Color printer with transfer and superposition of different color toner images onto intermediate transcription member'19975,285,221'Color image electrophotographic apparatus having photosensitive body and intermediate transfer body'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2002Patents assigned to HITACHI LTD (5)· patent assignee history
1994–2002Based in Hitachi, JP· patent location history
2013Patents assigned to ITOH YOSHIYA (2)· patent assignee history
2013Patents assigned to KOBAYASHI KAZUNORI (2)· patent assignee history
2013Patents assigned to KUDO SHINICHI (2)· patent assignee history
2013Patents assigned to MARUYAMA AKEO (2)· patent assignee history
2013Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD51994–2002
ITOH YOSHIYA22013
KOBAYASHI KAZUNORI22013
KUDO SHINICHI22013
MARUYAMA AKEO22013
Locations
LocationPatentsSpan
Hitachi, JP51994–2002
Osaka, JP22013