Inventor
Yawei Ma
Inventor
Cary, NC, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials23%
H04BTransmission23%
H04MTelephonic communication15%
G06FElectric digital data processing8%
LOC148%
E05DHinges or suspension devices for doors, windows or wings4%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof4%
H01HElectric switches4%
H01PWaveguides4%
H01RElectrically-conductive connections4%
PatentTitleYear
8,688,177'Double-folded flexible printed circuit board for slider-type mobile devices'20148,484,803'Rotational hinge'20138,149,581'Keyboard and display screen in separate housings connected by cam assemblies that tilt responsive to movement between the housings'20128,072,741'Mobile device shutter door'20116,549,788'Combination cellular/satellite wireless communication devices'20036,490,435'Flip cover and antenna assembly for a portable phone'20026,430,400'Detachable flip cover assembly for a portable phone'20026,107,968'Antenna for hand-held communication user terminal'20006,025,816'Antenna system for dual mode satellite/cellular portable phone'20005,907,306'Retractable radiotelephone antennas and associated radiotelephone communication methods'19995,828,343'Antenna connector device for a handheld mobile phone'19985,818,000'Three-way switch for protection of a power amplifier during antenna disconnection'19985,809,403'Coaxial cable assembly for a portable phone'1998D0392285'Satellite telephone'1998D0382873'Portable communications device'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2003Patents assigned to ERICSSON INC (6)· patent assignee history
1997–2002Based in Raleigh, NC, US· patent location history
1998–1999Patents assigned to ERICSSON GE MOBILE INC (3)· patent assignee history
1998–2003Based in Cary, NC, US· patent location history
2011–2014Patents assigned to MA YAWEI (4)· patent assignee history
2011–2014Patents assigned to YAMADA ICHIRO (4)· patent assignee history
2011–2014Based in San Diego, CA, US· patent location history
2013–2014Patents assigned to SONY CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ERICSSON INC | 6 | 1997–2003 |
| MA YAWEIself | 4 | 2011–2014 |
| YAMADA ICHIRO | 4 | 2011–2014 |
| ERICSSON GE MOBILE INC | 3 | 1998–1999 |
| SONY CORP | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cary, NC, US | 8 | 1998–2003 |
| San Diego, California, US | 4 | 2011–2014 |
| Raleigh, NC, US | 3 | 1997–2002 |