Growing community of inventors

San Francisco, CA, United States of America

Alvin T Chang

Average Co-Inventor Count = 3.50

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 43

Alvin T ChangMichael Benjamin Wittenberg (1 patent)Alvin T ChangAnna-Katrina Shedletsky (1 patent)Alvin T ChangHenry Hung Yang (1 patent)Alvin T ChangAdam Thomas Clavelle (1 patent)Alvin T ChangSteven C Roach (1 patent)Alvin T ChangPeter J Kardassakis (1 patent)Alvin T ChangKatherine E Tong (1 patent)Alvin T ChangRocky Kahn (1 patent)Alvin T ChangJared P Ostdiek (1 patent)Alvin T ChangJody Fu (1 patent)Alvin T ChangTimothy D Koch (1 patent)Alvin T ChangRoss L Jackson (1 patent)Alvin T ChangDylan L Magida (1 patent)Alvin T ChangJody C Fu (0 patent)Alvin T ChangAlvin T Chang (4 patents)Michael Benjamin WittenbergMichael Benjamin Wittenberg (144 patents)Anna-Katrina ShedletskyAnna-Katrina Shedletsky (101 patents)Henry Hung YangHenry Hung Yang (53 patents)Adam Thomas ClavelleAdam Thomas Clavelle (42 patents)Steven C RoachSteven C Roach (20 patents)Peter J KardassakisPeter J Kardassakis (16 patents)Katherine E TongKatherine E Tong (15 patents)Rocky KahnRocky Kahn (8 patents)Jared P OstdiekJared P Ostdiek (7 patents)Jody FuJody Fu (7 patents)Timothy D KochTimothy D Koch (6 patents)Ross L JacksonRoss L Jackson (5 patents)Dylan L MagidaDylan L Magida (1 patent)Jody C FuJody C Fu (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Apple Inc. (3 from 40,816 patents)

2. Other (1 from 832,680 patents)


4 patents:

1. 12174660 - Electronic device

2. 12093359 - Electronic device having a sealed biometric input system

3. 9774087 - Wireless electronic device with magnetic shielding layer

4. 7983961 - Methods and apparatus for marketing profiling while preserving user privacy

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as of
12/4/2025
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