Inventor
Yumiko Yagi
Inventor
Shizuoka, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
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G03GElectrography100%
PatentTitleYear
9,146,487'Carrier for developing electrostatic latent image, and electrostatic latent image developer'20157,505,728'Lubricant applying unit, process cartridge, image forming apparatus, and image forming method'20097,209,699'Lubricant applying unit, process cartridge, image forming apparatus, and image forming method'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2009Patents assigned to RICOH KK (2)· patent assignee history
2007–2015Based in Shizuoka, JP· patent location history
2015Patents assigned to IWATSUKI HITOSHI (1)· patent assignee history
2015Patents assigned to KISHIDA HIROYUKI (1)· patent assignee history
2015Patents assigned to RICOH CO LTD (1)· patent assignee history
2015Patents assigned to SAWADA TOYOSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 2 | 2007–2009 |
| IWATSUKI HITOSHI | 1 | 2015 |
| KISHIDA HIROYUKI | 1 | 2015 |
| RICOH CO LTD | 1 | 2015 |
| SAWADA TOYOSHI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 3 | 2007–2015 |