Tokyo, Japan

Takeshi Kageyama

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Hitachi Channel Solutions, Corp., Nippon Chemi-Con Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Kageyama. Retrieved from https://idiyas.com/inventor/takeshi-kageyama

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


% Patents Active = 33.3

 

Average Co-Inventor Count = 1.5

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2011-2026

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3 patents (USPTO):Explore Patents

Title: Innovations of Takeshi Kageyama

Introduction

Takeshi Kageyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly in the development of card readers and electrode materials for electrolytic capacitors. With a total of 3 patents, Kageyama's work showcases his innovative spirit and technical expertise.

Latest Patents

Kageyama's latest patents include a card reader and a foreign object detection method for card readers. This card reader features a card conveyance path with upper and lower conveyance paths designed to efficiently convey a card inserted into the device. The reading unit reads the information on the card, while lower concave and convex portions on the upper surface of the lower conveyance path enhance its functionality. Additionally, Kageyama has developed an electrode material for electrolytic capacitors that achieves an unprecedentedly high capacitance. This material consists of a layer of valve metal particles with an oxide film, designed to optimize performance and efficiency.

Career Highlights

Throughout his career, Kageyama has worked with prominent companies such as Hitachi Channel Solutions Corporation and Nippon Chemi-con Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in the technology sector.

Collaborations

Kageyama has collaborated with notable coworkers, including Takeshi Makino and Masahiko Shinohara. These partnerships have likely fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Takeshi Kageyama's contributions to technology through his patents and collaborations highlight his role as a significant inventor in Japan. His work continues to influence advancements in card reading technology and capacitor materials.

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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