Inventor
HIROYUKI KISHIDA
Inventor
JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography50%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments8%
G01DMeasuring not specially adapted for a specific variable8%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light8%
G02BOptical elements, systems or apparatus8%
H01LSemiconductor devices8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
PatentTitleYear
12,436,479Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge202512,379,678Carrier for forming electrophotographic image, developer, image forming method, image forming apparatus, and process cartridge202512,372,893Carrier, developer, image forming method, and process cartridge202512,306,582Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge202512,147,192Carrier for developing electrostatic latent image, two-component developer, image forming apparatus, process cartridge, and image forming method202412,104,932Encoder and drive device202411,934,145Developing apparatus, developer for electrophotographic image formation, electrophotographic image forming method, and electrophotographic image forming apparatus202411,163,098Optical filter and optical sensor device2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Based in JP· patent location history
2024–2025Patents assigned to KISHIDA HIROYUKI (6)· patent assignee history
2024–2025Patents assigned to NAGAYAMA MASASHI (6)· patent assignee history
2024–2025Patents assigned to RICOH CO LTD (6)· patent assignee history
2024–2025Patents assigned to MASUDA MINORU (5)· patent assignee history
2024–2025Patents assigned to MASUKO KAEDE (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KISHIDA HIROYUKIself | 6 | 2024–2025 |
| NAGAYAMA MASASHI | 6 | 2024–2025 |
| RICOH CO LTD | 6 | 2024–2025 |
| MASUDA MINORU | 5 | 2024–2025 |
| MASUKO KAEDE | 5 | 2024–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 8 | 2021–2025 |