LexDanaLexDanabeta
Inventor

Hiroyuki Sunagawa

Inventor
Ibaraki, JP

Overview

6→
Patents
1999–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B41Lprimary
B41LApparatus or devices for manifolding, duplicating or printing for office or other commercial purposes43%
B41JTypewriters14%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables14%
LOC1314%
LOC1414%
PatentTitleYear
D0866659Portion of a container for an ink cartridge2019D0841607Wireless communication tag20197,389,433'Image forming system'20086,632,034'Printing machine for booklet-like medium'20036,112,655'Stencil printer'20005,979,311'Stencil printer having printing paper feed control structure'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2019Patents assigned to RISO KAGAKU CORP (6)· patent assignee history
1999–2019Based in Ibaraki, JP· patent location history
2008Based in Amimachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RISO KAGAKU CORP61999–2019
Locations
LocationPatentsSpan
Ibaraki, JP51999–2019
Amimachi, JP12008