Inventor
Katsushi Isogawa
Inventor
Eagan, MN, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation33%
G11BInformation storage based on relative movement between record carrier and transducer33%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
10,940,414Recirculation filter for an electronics enclosure20217,404,836'Focused flow filter'20087,367,997'Electronic enclosure filter for very small spaces'20087,125,433'Dual diffusion channel filter'20066,936,093'Electronic enclosure filter'20056,077,335'Filter and method for making a filter'20005,997,618'Filter and method for making a filter'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2021Patents assigned to DONALDSON CO INC (7)· patent assignee history
1999–2000Based in Rosemount, MN, US· patent location history
2005–2021Based in Eagan, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DONALDSON CO INC | 7 | 1999–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eagan, Minnesota, US | 5 | 2005–2021 |
| Rosemount, Minnesota, US | 2 | 1999–2000 |