Tokyo, Japan

Takekuni Okamoto

This inventor holds 2 USPTO granted patents. Top assignee: Shin-Etsu Polymer Co., Ltd.. Active years: 1981-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takekuni Okamoto. Retrieved from https://idiyas.com/inventor/takekuni-okamoto

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 182(Granted Patents)


Company Filing History:


Years Active: 1981-1983

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2 patents (USPTO):Explore Patents

Title: Takekuni Okamoto: Innovator in Rubber Technology

Introduction

Takekuni Okamoto is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of rubber technology, particularly in the design of push button switches and keyboard switch units. With a total of 2 patents, his innovations have enhanced the functionality and durability of electronic devices.

Latest Patents

One of Okamoto's latest patents is a rubber-made covering member for push button switches. This invention provides a covering member that is integrally made of a rubbery elastomeric material, featuring an improved structure that allows for a larger key stroke before a snapping action occurs. The design includes a central pushing part, a first annular portion, a second annular portion, and a base flat, ensuring that the first annular portion does not buckle before the second annular portion is deformed.

Another significant patent is the key-board switch unit, which is used in pocketable electronic calculators. This unit comprises a base plate with switch electrodes and a covering pad made of insulating rubber. The pad features a contact member made of electroconductive rubber, which is embedded in such a way that it remains coplanar with the surface of the covering pad. The hardness relationship between the rubbery materials is crucial for reliable switching and durability.

Career Highlights

Okamoto is currently employed at Shin-Etsu Polymer Co., Ltd., where he continues to innovate in the field of rubber technology. His work has been instrumental in developing products that enhance user experience in electronic devices.

Collaborations

Throughout his career, Okamoto has collaborated with notable coworkers such as Ryoichi Sado and Shigeru Matumoto. Their combined expertise has contributed to the success of various projects and innovations.

Conclusion

Takekuni Okamoto's contributions to rubber technology have made a significant impact on the design and functionality of electronic devices. His patents reflect a commitment to innovation and improvement in user experience.

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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