Inventor
David M. Fischer
Inventor
San Francisco, CA, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers14%
H04SStereophonic systems14%
A61BDiagnosis9%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages7%
A23GCocoa7%
H04NPictorial communication, e.g. television7%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation5%
A61NElectrotherapy5%
B01FMixing, e.g. dissolving, emulsifying or dispersing5%
G06FElectric digital data processing5%
PatentTitleYear
11,115,617Audio device for HDMI202110,881,064Maize hybrid X13N252202110,779,084Automatic discovery and localization of speaker locations in surround sound systems202010,587,982Dual-orientation speaker for rendering immersive audio content202010,491,851Media stick for controlling wireless speakers201910,341,772Audio stick for controlling wireless speakers201910,244,775Device and method for dosing cryogenic liquid20199,875,751Audio processing systems and methods20189,723,425'Bass management for audio rendering'20179,433,230'Device and method for dosing cryogenic liquid'20168,857,197'Device and method for mixing viscous substances'20148,460,487'Method for desensitizing liquid explosives and detonable flammable liquids'20137,717,685'High pressure pumping cartridges for medical and surgical pumping and infusion applications'20107,494,468'Ultrasonic medical device operating in a transverse mode'20096,551,337'Ultrasonic medical device operating in a transverse mode'20036,535,795'Method for chemical addition utilizing adaptive optimization'20034,873,471'High frequency ballast for gaseous discharge lamps'19894,546,379'Independent color adjustment for a video system'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2014Based in Waltham, MA, US· patent location history
2003–2009Patents assigned to OMNISONICS MEDICAL TECH (2)· patent assignee history
2003Patents assigned to BAKER HUGHES INC (1)· patent assignee history
2014–2019Patents assigned to SMITTEN VENTURES INC (3)· patent assignee history
2016–2019Based in Palo Alto, CA, US· patent location history
2017–2021Patents assigned to DOLBY LABORATORIES LICENSING CORP (7)· patent assignee history
2017–2021Based in San Francisco, CA, US· patent location history
2019–2020Patents assigned to DOLBY INT AB (2)· patent assignee history
2020Based in San Jose, CA, US· patent location history
2021Based in Robins, IA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOLBY LABORATORIES LICENSING CORP | 7 | 2017–2021 |
| SMITTEN VENTURES INC | 3 | 2014–2019 |
| DOLBY INT AB | 2 | 2019–2020 |
| OMNISONICS MEDICAL TECH | 2 | 2003–2009 |
| BAKER HUGHES INC | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Francisco, California, US | 6 | 2017–2021 |
| Waltham, Massachusetts, US | 6 | 1985–2014 |
| Palo Alto, California, US | 2 | 2016–2019 |
| Robins, IA, US | 1 | 2021 |
| San Jose, California, US | 1 | 2020 |