DH

David Heim

IBM: 14 patents #8,004 of 70,183Top 15%
HG HGST: 7 patents #263 of 1,677Top 20%
AM Atrium Medical: 4 patents #25 of 79Top 35%
MT Magic Technologies: 2 patents #28 of 54Top 55%
📍 Portsmouth, NH: #7 of 252 inventorsTop 3%
🗺 New Hampshire: #388 of 12,181 inventorsTop 4%
Overall (All Time): #135,192 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5420736 MR read transducer with thermal noise cancellation Po-Kang Wang 1995-05-30
5375022 Magnetic disk drive with electrical shorting protection Hardayal Singh Gill 1994-12-20
4644432 Three pole single element magnetic read/write head 1987-02-17