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Inventor

Yasunaga Yamaguchi

Inventor
Tokyo, JP

Overview

11→
Patents
2006–2021
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G03Gprimary
G03GElectrography64%
B41JTypewriters14%
H04NPictorial communication, e.g. television14%
G06FElectric digital data processing7%
PatentTitleYear
11,016,698Storage system that copies write data to another storage system20219,420,138'Printer'20169,207,621'Printer, data processing apparatus, and method of controlling data processing apparatus'20158,982,368'Image forming apparatus'20158,126,380'Image forming apparatus'20127,787,237'Display panel structure and image forming apparatus having the same'20107,460,799'Developer accommodating apparatus, developing apparatus and image forming apparatus'20087,403,724'Image forming apparatus'20087,187,877'Image forming apparatus with detachable transfer unit'20077,171,132'Image forming apparatus having position controller'20077,103,293'Fixing unit with cooling section and image forming apparatus with cooling section'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2016Patents assigned to OKI DATA KK (10)· patent assignee history
2006–2021Based in Tokyo, JP· patent location history
2012–2015Patents assigned to YAMAGUCHI YASUNAGA (2)· patent assignee history
2012Patents assigned to KAWANO MASAHIRO (1)· patent assignee history
2012Patents assigned to MURAKAMI TATSUYA (1)· patent assignee history
2021Patents assigned to HITACHI LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OKI DATA KK102006–2016
YAMAGUCHI YASUNAGAself22012–2015
HITACHI LTD12021
KAWANO MASAHIRO12012
MURAKAMI TATSUYA12012
Locations
LocationPatentsSpan
Tokyo, JP112006–2021