Inventor
YOSHIHIKO TANAKA
Inventor
JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography39%
G02BOptical elements, systems or apparatus26%
B41JTypewriters10%
B29CShaping or joining of plastics6%
B29DProducing particular articles from plastics or from substances in a plastic state6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
H04NPictorial communication, e.g. television6%
PatentTitleYear
12,346,039Rotatable polygon mirror, optical deflector, scanning optical device, and image forming apparatus202512,304,224Image forming apparatus2025RE050141Image-forming apparatus202411,852,988Image forming apparatus with improved vibration rigidity202311,820,158Image forming apparatus202311,714,372Image forming apparatus202311,703,776Light deflector, light scanning apparatus and image forming apparatus202311,383,413Manufacturing method of polygonal mirror, polygonal mirror, deflector, optical scanning apparatus and image forming apparatus202211,385,457Optical scanning device having rotating polygon mirror, and image forming apparatus including the same202211,366,310Polygonal mirror, deflector, optical scanning apparatus and image forming apparatus202211,353,805Image forming apparatus to address vibration rigidity of a scanner unit202211,249,303Rotary polygon mirror, light deflecting unit, and optical scanning apparatus including light deflecting unit2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to CANON KK (12)· patent assignee history
2022–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 12 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 12 | 2022–2025 |