Inventor
HIROKI KATAYAMA
Inventor
JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography25%
G02BOptical elements, systems or apparatus17%
B41JTypewriters6%
B24BMachines, devices, or processes for grinding or polishing4%
B29CShaping or joining of plastics4%
B29DProducing particular articles from plastics or from substances in a plastic state4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C03BManufacture, shaping, or supplementary processes4%
C03CChemical composition of glasses, glazes or vitreous enamels4%
PatentTitleYear
12,304,224Image forming apparatus202512,119,278Method of manufacturing a supporting glass substrate202411,959,480Rotary compressor including a plurality of recessed portions for retaining lubricating oil202411,949,825Scanning optical device and image forming apparatus with bearing surfaces and regulating portions constructed to reduce laser deviation of a reflection mirror202411,933,302Rotary compressor202411,852,988Image forming apparatus with improved vibration rigidity202311,820,158Image forming apparatus202311,749,574Method of manufacturing semiconductor package202311,709,437Image forming apparatus202311,537,058Image forming apparatus202211,383,413Manufacturing 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 unit202211,194,264Optical scanning apparatus with offset beam detect sensor for scan line positioning in sub-scan direction and image forming apparatus with optical scanning apparatus2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to CANON KK (12)· patent assignee history
2021–2025Based in JP· patent location history
2023–2024Patents assigned to NIPPON ELECTRIC GLASS CO (2)· patent assignee history
2024Patents assigned to FUJITSU GENERAL LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 12 | 2021–2025 |
| FUJITSU GENERAL LTD | 2 | 2024 |
| NIPPON ELECTRIC GLASS CO | 2 | 2023–2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 16 | 2021–2025 |