Tokyo, Japan

Hidetoshi Kodama

This inventor holds 7 USPTO granted patents. Top assignees: Seikosha Co., Ltd., Pentel Kabushiki Kaisha. Active years: 1988-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidetoshi Kodama. Retrieved from https://idiyas.com/inventor/hidetoshi-kodama-6uulojov

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

Calculating rank

% Patents Active = 85.7

Average Co-Inventor Count = 1.4

ph-index = 3

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 1988-2006

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7 patents (USPTO):Explore Patents

Title: Hidetoshi Kodama: Innovator in Mechanical Pencils and Ink Ribbon Cassettes

Introduction

Hidetoshi Kodama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of writing instruments and ink ribbon technology. With a total of 7 patents to his name, Kodama's innovations have impacted everyday products used by millions.

Latest Patents

One of his latest inventions is a mechanical pencil designed to accommodate a range of lead diameters. This mechanical pencil features a lead holding member that is slightly smaller than the interior shape of the shaft tube, ensuring that even leads with maximum diameters can be delivered effectively. Another notable patent is an ink ribbon cassette, which includes inclined side walls in the chamber that houses the ink ribbon. This design allows for better functionality and ease of use.

Career Highlights

Throughout his career, Hidetoshi Kodama has worked with prominent companies such as Seikosha Co., Ltd. and Pentel Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to innovative product designs.

Collaborations

Kodama has collaborated with talented individuals in the industry, including Shigeki Maruyama and Haruo Inoue. These partnerships have fostered creativity and led to the development of groundbreaking inventions.

Conclusion

Hidetoshi Kodama's work exemplifies the spirit of innovation in the fields of writing instruments and ink technology. His patents continue to influence the design and functionality of everyday products, showcasing his commitment to enhancing 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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