Inventor
MASAAKI FURUKAWA
Inventor
JP
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography83%
G01RMeasuring electric variables4%
H04BTransmission4%
H04JMultiplex communication4%
LOC164%
PatentTitleYear
12,578,676Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing202612,566,401Image forming apparatus having process cartridge with electrical contacts and memory contact facing outward2026D1095670Photosensitive drum unit202512,242,213Cartridge including holder that holds electrical contact surface and has hole overlapped with the same202512,197,166Image forming apparatus202512,174,559Toner cartridge having electrical contact surface that can contact electrical contact surface of drum cartridge in accordance with pivotal movement of casing202412,092,991Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing202412,066,784Image forming apparatus202412,025,942Image forming apparatus202411,914,323Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing202411,906,924Image forming apparatus202411,886,129Image forming apparatus to which solvent cartridge that can accommodate therein solvent is detachably attachable independently of developing cartridge202411,860,558Image forming apparatus202411,846,896Toner cartridge including movable shutter provided with protrusion on which electrical contact surface is provided202311,740,583Image forming apparatus202311,650,520Toner cartridge having electrical contact surface that can contact electrical contact surface of drum cartridge in accordance with pivotal movement of casing202311,531,298Process cartridge and image forming apparatus202211,474,473Image forming apparatus including drum cartridge having waste toner accumulating unit in which waste toner is accumulated202211,333,999Toner cartridge including shutter rotatable between first position and second position202211,333,697Three-dimensional surface potential distribution measurement system202211,316,592Optical module and optical communication system202211,281,155Process cartridge and image forming apparatus202211,249,438Image forming apparatus2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to BROTHER IND LTD (21)· patent assignee history
2022Patents assigned to LUMENTUM JAPAN INC (1)· patent assignee history
2022Patents assigned to TOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP (1)· patent assignee history
2022Patents assigned to UNIV TOKYO (1)· patent assignee history
2022–2026Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BROTHER IND LTD | 21 | 2022–2026 |
| LUMENTUM JAPAN INC | 1 | 2022 |
| TOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP | 1 | 2022 |
| UNIV TOKYO | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 23 | 2022–2026 |