Inventor
Michael Chapman
Inventor
Long Beach, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique33%
G01SRadio direction-finding11%
H01LSemiconductor devices11%
H10DInorganic electric semiconductor devices11%
B01DSeparation6%
C01CAmmonia6%
G05FSystems for regulating electric or magnetic variables6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
H03FAmplifiers6%
H05BElectric heating6%
PatentTitleYear
11,038,503GaN driver using active pre-driver with feedback202110,847,947GaN laser diode drive FET with gate current reuse202010,790,811Cascaded bootstrapping GaN power switch and driver202010,749,514GaN based adjustable driver current circuit202010,727,834Level shifter in half bridge GaN driver applications202010,680,589GaN based fail-safe shutdown of high-current drivers20209,124,225'Dual power amplifier linearizer'20154,221,770'Ammonium nitrate particulate abatement process'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to GULF OIL CORP (1)· patent assignee history
1980Based in Columbus, KS, US· patent location history
2015Patents assigned to SCINTERA NETWORKS LLC (1)· patent assignee history
2015Based in San Francisco, CA, US· patent location history
2020–2021Patents assigned to EFFICIENT POWER CONVERSION CORP (6)· patent assignee history
2020–2021Based in Long Beach, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EFFICIENT POWER CONVERSION CORP | 6 | 2020–2021 |
| GULF OIL CORP | 1 | 1980 |
| SCINTERA NETWORKS LLC | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Long Beach, California, US | 6 | 2020–2021 |
| San Francisco, California, US | 1 | 2015 |
| Columbus, KS, US | 1 | 1980 |