Inventor
Hiroaki Umezawa
Inventor
Kanagawa, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television50%
B41JTypewriters25%
G03GElectrography25%
PatentTitleYear
9,116,479'Fixing control device, fixing control method, and image forming apparatus'20158,587,843'Apparatus and a method for controlling a light source used for image reading'20138,363,287'Image reading apparatus and image reading method'20138,052,144'Method, apparatus, and system for forming image'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2015Patents assigned to RICOH CO LTD (4)· patent assignee history
2011–2015Based in Kanagawa, JP· patent location history
2013–2015Patents assigned to UMEZAWA HIROAKI (3)· patent assignee history
2013Patents assigned to ENAMI TAKASHI (1)· patent assignee history
2013Based in Kamakura, JP· patent location history
2015Patents assigned to IWATA ATSUKI (1)· patent assignee history
2015Patents assigned to KIZAKI OSAMU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 4 | 2011–2015 |
| UMEZAWA HIROAKIself | 3 | 2013–2015 |
| ENAMI TAKASHI | 1 | 2013 |
| IWATA ATSUKI | 1 | 2015 |
| KIZAKI OSAMU | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 3 | 2011–2015 |
| Kamakura, JP | 1 | 2013 |