Inventor
Dan Hero De Guzman Cajumban
Inventor
Hayward, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Sprimary
F21SNon-portable lighting devices29%
F21VFunctional features or details of lighting devices or systems thereof29%
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 emitted29%
F21KNon-electric light sources using luminescence12%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019–2021Patents assigned to DMF INC (5)· patent assignee history
2019–2021Based in Hayward, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DMF INC | 5 | 2019–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hayward, California, US | 5 | 2019–2021 |