Inventor
TAKAYUKI SEKI
Inventor
JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography64%
B41JTypewriters9%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors9%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables9%
F16GBelts, cables, or ropes, predominantly used for driving purposes9%
PatentTitleYear
12,351,420Conveyance device, drying device, image forming apparatus, and liquid discharge apparatus202511,966,178Heating device, belt heating device, fixing device, and image forming apparatus202411,604,425Fixing device and image forming apparatus incorporating same202311,550,249Heating device, belt heating device, fixing device, and image forming apparatus202311,429,043Image forming apparatus having variabale heat generation states202211,378,904Image forming apparatus and heating device comprising plural pressing devices configured to generate different pressing forces202211,269,274Heating device with a non-conveyance span temperature detector202211,143,996Heating device, fixing device and image forming apparatus2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to RICOH CO LTD (8)· patent assignee history
2021–2025Patents assigned to SEKI TAKAYUKI (5)· patent assignee history
2021–2025Based in JP· patent location history
2023Patents assigned to FURUICHI YUUSUKE (1)· patent assignee history
2025Patents assigned to ASADA KOHKI (1)· patent assignee history
2025Patents assigned to HIDA Ryusaku (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 8 | 2021–2025 |
| SEKI TAKAYUKIself | 5 | 2021–2025 |
| ASADA KOHKI | 1 | 2025 |
| FURUICHI YUUSUKE | 1 | 2023 |
| HIDA Ryusaku | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 8 | 2021–2025 |