Inventor
Takumi Shirakuma
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography29%
B42CBookbinding21%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables21%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper7%
B42BPermanently attaching together sheets, quires or signatures or permanently attaching objects thereto7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
H04NPictorial communication, e.g. television7%
PatentTitleYear
10,509,349Fixing device and image forming apparatus201910,418,923Rotating motion control apparatus, image forming apparatus and method for rotating motion control20199,921,524'Image formation apparatus and method for controlling image formation apparatus'20189,771,236'Sheet-processing apparatus that folds a sheet, and image-forming system using the same'20179,327,541'Post-processing apparatus and image forming system'20168,226,076'Post-processing apparatus, control method thereof and image forming system'20128,023,881'Sheet finisher and image forming system provided therewith'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2012Patents assigned to KONICA MINOLTA BUSINESS TECH (2)· patent assignee history
2011–2019Based in Tokyo, JP· patent location history
2012Patents assigned to SHIRAKUMA TAKUMI (1)· patent assignee history
2012Patents assigned to SUGIMOTO EIJI (1)· patent assignee history
2012Patents assigned to TAMADA TAKESHI (1)· patent assignee history
2016–2019Patents assigned to KONICA MINOLTA INC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONICA MINOLTA INC | 5 | 2016–2019 |
| KONICA MINOLTA BUSINESS TECH | 2 | 2011–2012 |
| SHIRAKUMA TAKUMIself | 1 | 2012 |
| SUGIMOTO EIJI | 1 | 2012 |
| TAMADA TAKESHI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 2011–2019 |