Inventor
Hang Ma
Inventor
Greenbelt, MD, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication40%
H04WWireless communication networks40%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
C07DHeterocyclic compounds4%
H04BTransmission4%
H04JMultiplex communication4%
PatentTitleYear
11,026,009Earphone202110,609,711Time-reversal scalability for high network densification202010,484,773Speaker bearing array sound-conducting structure and headphone using same201910,327,213Time-reversal communication systems201910,155,738Methods for skin whitening using a gallotannin201810,014,982Time-reversal technologies for hybrid wireless networks201810,009,148Time-reversal technologies for hybrid wireless networks20189,825,838'Handshaking protocol for time-reversal system'20179,794,156'Handshaking protocol for time-reversal system'20179,781,700'Time-reversal wireless paradigm for internet of things'20179,402,245'Time-reversal wireless paradigm for internet of things'20169,313,020'Handshaking protocol for time-reversal system'20169,226,304'Time-reversal wireless paradigm for internet of things'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2020Patents assigned to ORIGIN WIRELESS INC (10)· patent assignee history
2015Patents assigned to ORIGIN WIRELESS COMMUNICATIONS INC (1)· patent assignee history
2015–2020Based in Greenbelt, MD, US· patent location history
2018Patents assigned to RHODE ISLAND BOARD OF EDUCATION STATE OF RHODE ISLAND & PROVIDENCE PLANTATIONS (1)· patent assignee history
2018Patents assigned to UNIV OF RHODE ISLAND (1)· patent assignee history
2018Based in Kingston, RI, US· patent location history
2019Patents assigned to BAMDAS TECH LIMITED (1)· patent assignee history
2019Based in Kowloon, HK· patent location history
2021Based in Kwun Tong, HK· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ORIGIN WIRELESS INC | 10 | 2015–2020 |
| BAMDAS TECH LIMITED | 1 | 2019 |
| ORIGIN WIRELESS COMMUNICATIONS INC | 1 | 2015 |
| RHODE ISLAND BOARD OF EDUCATION STATE OF RHODE ISLAND & PROVIDENCE PLANTATIONS | 1 | 2018 |
| UNIV OF RHODE ISLAND | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Greenbelt, Maryland, US | 10 | 2015–2020 |
| Kwun Tong, HK | 1 | 2021 |
| Kowloon, HK | 1 | 2019 |
| Kingston, RI, US | 1 | 2018 |