Inventor
Takashi Wakana
Inventor
Tokyo, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography50%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables25%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
8,538,304'Belt drive apparatus and image forming apparatus'20138,272,635'Image forming apparatus'20128,096,551'Medium transportation apparatus and image forming apparatus having planetary gear rotational load member'20127,103,308'Developer cartridge and image forming apparatus'20066,733,407'Belt driving apparatus'20046,522,848'Belt unit and apparatus to which belt unit is attached'20036,252,619'Image forming apparatus having a printhead guide mechanism'20016,021,292'Toner cartridge and toner collecting mechanism'20005,975,518'Paper feeding mechanism'19995,737,664'Overheating prevention device for a fixing unit'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to OKI ELECTRIC IND CO LTD (1)· patent assignee history
1998–2013Based in Tokyo, JP· patent location history
1999–2013Patents assigned to OKI DATA KK (9)· patent assignee history
2012–2013Patents assigned to WAKANA TAKASHI (3)· patent assignee history
2013Patents assigned to ITO MICHIAKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OKI DATA KK | 9 | 1999–2013 |
| WAKANA TAKASHIself | 3 | 2012–2013 |
| ITO MICHIAKI | 1 | 2013 |
| OKI ELECTRIC IND CO LTD | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 1998–2013 |