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For the Inventor, By the Inventor

Yokohama, Japan

Takao Okuda

This inventor holds 5 USPTO granted patents. Top assignees: Nippon Zeon Company, Ltd., Victor Company of Japan, Limited. Active years: 1978-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Okuda. Retrieved from https://idiyas.com/inventor/takao-okuda-256cnquk

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 18(Granted Patents)


Company Filing History:

goldMedal5 out of 598 
 
Nippon Zeon Company, Ltd.
 patents
silverMedal1 out of 2,887 
 
Victor Company of Japan, Limited
 patents
where one patent can have more than one assignee

Years Active: 1978-1983

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5 patents (USPTO):Explore Patents
1. 4384055 - Hard vinyl chloride resin composition for information signal recording (1983-05-17),
2. 4351747 - Information signal record medium of the capacitance type (1982-09-28),
3. 4165344 - Cyclopentadiene resin and isocyanate cured epoxy resin compositions (1979-08-21),
4. 4146691 - Process for producing cyclopentadiene resins (1979-03-27),
5. 4119596 - Thermosetting coating compositions (1978-10-10),

Title: The Innovations of Takao Okuda

Introduction

Takao Okuda is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of information signal recording, holding a total of 5 patents. His work has had a lasting impact on the technology used in recording media.

Latest Patents

One of Okuda's latest patents is a hard vinyl chloride resin composition for information signal recording. This composition is designed for use in information signal recording media. Another notable patent involves an improvement in capacitance-type record media, where information signals are recorded as variations in the geometrical shape of the surface area. This innovation allows for playback through variations in capacitance between the surface and an electrode of a reproducing stylus. The improvement consists of using materials that include an electrically conductive substance combined with specific copolymers or polymer mixtures.

Career Highlights

Throughout his career, Takao Okuda has worked with several prominent companies, including Nippon Zeon Company, Ltd. and Victor Company of Japan, Limited. His experience in these organizations has contributed to his expertise in the field of information technology and materials science.

Collaborations

Okuda has collaborated with notable individuals in his field, including Akira Wada and Kazumichi Miyamoto. These partnerships have fostered innovation and development in his projects.

Conclusion

Takao Okuda's contributions to the field of information signal recording demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology in recording media.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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