Inventor
YUJI FUJIWARA
Inventor
JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography33%
G02BOptical elements, systems or apparatus17%
A61KPreparations for medical, dental or toiletry purposes13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
C07DHeterocyclic compounds8%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%
C07BGeneral methods of organic chemistry4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
H05BElectric heating4%
PatentTitleYear
12,546,944Optical module202612,422,769Structure for electrically protecting fixing apparatus provided in image forming apparatus202512,242,217Image forming system, image forming apparatus, and fixing device202512,210,310Image forming apparatus having a connector that electrically connects a fixing unit to a circuit board having a power control circuit202512,153,363Image forming apparatus with controlled waveform pattern202412,077,554CDK9 inhibitors and polymorphs thereof for use as agents for treatment of cancer202412,044,883Optical waveguide and manufacturing method thereof202411,988,873End structure of a waveguide202411,822,268Image forming apparatus202311,782,375Image forming apparatus with fixing unit powered by reduced harmonic switching202311,768,454Image forming apparatus having a first circuit for supplying power to a heater, a second circuit electrically insulated with reinforced insulation from the first circuit, and a third circuit electrically insulated from the first and second circuits202311,733,469Planar lightwave circuit and optical device202311,731,960Biheterocyclic compound202311,440,905Biheterocyclic compound202211,262,677Image forming apparatus having a connector with multiple circuits having varying insulation202211,203,300Storage device for vehicle2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to MORIROKU TECH COMPANY LTD (1)· patent assignee history
2021–2026Based in JP· patent location history
2022–2025Patents assigned to CANON KK (8)· patent assignee history
2022–2023Patents assigned to SUMITOMO PHARMA CO LTD (2)· patent assignee history
2023–2024Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
2024–2025Based in US· patent location history
2026Patents assigned to NTT INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 8 | 2022–2025 |
| NIPPON TELEGRAPH & TELEPHONE | 3 | 2023–2024 |
| SUMITOMO PHARMA CO LTD | 2 | 2022–2023 |
| MORIROKU TECH COMPANY LTD | 1 | 2021 |
| NTT INC | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 12 | 2021–2026 |
| US | 4 | 2024–2025 |