4. Data processing: financial, business practice, management, or co
  5. Automated electrical financial or business practice or...
  6. Health care management

Chang Y. Chung

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Executable digital cash for electronic commerce

Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Patent

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Integrated hangtag production system

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Inventory management
Reexamination Certificate

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Method and apparatus for regulating the use of licensed...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Utility Patent

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Method and system for enabling smaller investors to manage...

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Finance
Reexamination Certificate

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Method and system for preventing counterfeiting of high...

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-406280

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