Practice Areas



  • U.S. Patent and Trademark Office, 2006


University of Electro-Communications Master of Electro-Communications, Japan, 1971

University of Electro-Communications Bachelor of Electro-Communications, Japan, 1969


  • Japanese
Photo of Tatsuo  Baba

Tatsuo Baba

Consultant and Patent Agent

Tatsuo Baba handles patent drafting and prosecution for clients and law firms particularly in Japan. He has experience with patents in electrical and mechanical engineering, including linear circuits, data storage devices, semiconductor devices, copy or printing machines, medical equipment, and computer and telecommunication devices. He had been engaging developing linear ICs and signal processing LSI, Optical Storage Data Storage Devices, and Data Storage systems as an engineering manager of R&D Group at Hitachi Ltd and Hitachi America Ltd. Tatsuo speaks both Japanese and English.

Experience Highlights

Consultant, Patent Agent, Cantor Colburn LLP, 2009-present

Solo Practitioner as U.S. Patent Agent & Intellectual Property Specialist, 2002 - Present

Senior Director, Optical Storage Engineering & Sales Group, Computer Division, Hitachi America Ltd (U.S.A.), 1994 - 2002

General Manger of Optical Storage System Development Division, Hitachi Home Electronics of America (U.S.A.), 1990 - 1994

Senior Engineer, Optical Storage Engineering Department, Toyokawa Works and Yokohama Works, Hitachi Ltd (Japan), 1982 - 1990

Engineer, Design & Development Division, Toyokawa Works, Hitachi Ltd (Japan), 1971 - 1982

Professional Affiliations

American Intellectual Property Law Association

Intellectual Property Owners Association

Orange County Patent Law Association