Inventor
Daniel Joel Freschl
Inventor
Berkeley, CA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis46%
LOC2615%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation8%
F21SNon-portable lighting devices8%
F21VFunctional features or details of lighting devices or systems thereof8%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted8%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data8%
PatentTitleYear
10,874,345Automated detection of breathing disturbances202010,842,394In-canal heart rate monitoring apparatus202010,433,739Multi-channel photoplethysmography sensor20199,763,584'Intermeshing light barrier features in optical physiological parameter measurement device'20179,757,046'Intermeshing light barrier features in optical physiological parameter measurement device'20179,743,849'Intermeshing light barrier features in optical physiological parameter measurement device'2017D0714995'Foldable light diffuser'20148,517,559'Manually-energizing portable light-emitting device with multifunction cord'2013D0658323'Portable illuminating device'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2014Patents assigned to FRESCHL DANIEL JOEL (3)· patent assignee history
2012–2020Based in Berkeley, CA, US· patent location history
2017–2020Patents assigned to FITBIT INC (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FITBIT INC | 6 | 2017–2020 |
| FRESCHL DANIEL JOELself | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Berkeley, California, US | 9 | 2012–2020 |