Registered patent agent
Kumiko C. Koyama
Firm
Sony Corporation
Address
Patent Department, Intellectual Property Division
1-7-1 Konan Minato-Ku
Tokyo, 108-0075
JP
Phone
Registered as
Registered patent agent
Frequently asked
Frequently asked about Kumiko C. Koyama
Is Kumiko C. Koyama a registered patent attorney?
Kumiko C. Koyama is a registered patent agent (USPTO Registration Number 66514). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
What firm does Kumiko C. Koyama work at?
Kumiko C. Koyama is listed as affiliated with Sony Corporation on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Kumiko C. Koyama?
Kumiko C. Koyama's office phone (per the USPTO public roster) is +81-367-48-3521. 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.