Registered patent attorney
I-Chang John Yang
Firm
TDK U.S.A. Corporation
Address
1745 Technology Dr.
San Jose, CA, 95110
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in San Jose, California
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- Ahmed S. AlhafidhIntellent Patents LLC
- Firasat M AliHaley Guiliano LLP
- Stephen Henry AllhoffUSPTO Reg. 72373
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- Holly J AtkinsonUSPTO Reg. 69934
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Frequently asked
Frequently asked about I-Chang John Yang
Is I-Chang John Yang a registered patent attorney?
Yes. I-Chang John Yang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 60384). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is I-Chang John Yang located?
I-Chang John Yang's office is in San Jose, California (95110). Affiliated with TDK U.S.A. Corporation.
What firm does I-Chang John Yang work at?
I-Chang John Yang is listed as affiliated with TDK U.S.A. Corporation on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact I-Chang John Yang?
I-Chang John Yang's office phone (per the USPTO public roster) is 650-623-7446. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.