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Inventor

Masaru Kawamoto

Inventor
Ibaraki, JP

Overview

5→
Patents
1996–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 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, cables30%
G03GElectrography30%
B26DCutting20%
B41JTypewriters10%
F16HGearing10%
PatentTitleYear
8,670,694'Gear drive apparatus, driving device including gear drive apparatus, and image forming device including gear drive apparatus'20148,033,539'Pressdown cam for post processing device'20117,588,244'Sheet feeder with optical sensor'20095,790,168'Printing apparatus with movable slitter for printed paper sheet'19985,561,514'Image forming apparatus and sheet arranging method for the apparatus'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1998Patents assigned to HITACHI KOKI KK (2)· patent assignee history
1996–2011Based in Ibaraki, JP· patent location history
1998Based in Hitachinaka, JP· patent location history
2011–2014Patents assigned to RICOH CO LTD (2)· patent assignee history
2014Patents assigned to KAWAMOTO MASARU (1)· patent assignee history
2014Patents assigned to NAKURA MAKOTO (1)· patent assignee history
2014Patents assigned to OHKUSHI HIROFUMI (1)· patent assignee history
2014Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI KOKI KK21996–1998
RICOH CO LTD22011–2014
KAWAMOTO MASARUself12014
NAKURA MAKOTO12014
OHKUSHI HIROFUMI12014
Locations
LocationPatentsSpan
Ibaraki, JP31996–2011
Kanagawa, JP12014
Hitachinaka, JP11998