Inventor
TOHRU SUGANUMA
Inventor
JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography100%
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 cartridge202512,147,192Carrier for developing electrostatic latent image, two-component developer, image forming apparatus, process cartridge, and image forming method202412,105,472Carrier for forming electrophotographic image, developing agent for forming electrophotographic image, method of forming electrophotographic image, electrophotographic image forming apparatus, and process cartridge202411,934,145Developing apparatus, developer for electrophotographic image formation, electrophotographic image forming method, and electrophotographic image forming apparatus2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
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 SUGANUMA TOHRU (6)· patent assignee history
2024–2025Patents assigned to TAKEUCHI KENTO (6)· patent assignee history
2024–2025Patents assigned to KISHIDA HIROYUKI (5)· patent assignee history
2024–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAGAYAMA MASASHI | 6 | 2024–2025 |
| RICOH CO LTD | 6 | 2024–2025 |
| SUGANUMA TOHRUself | 6 | 2024–2025 |
| TAKEUCHI KENTO | 6 | 2024–2025 |
| KISHIDA HIROYUKI | 5 | 2024–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 6 | 2024–2025 |