Toyota, Japan

Katsuhiko Muramatsu

This inventor holds 1 USPTO granted patent. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Muramatsu. Retrieved from https://idiyas.com/inventor/katsuhiko-muramatsu

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 = 6.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Innovations of Katsuhiko Muramatsu

Introduction

Katsuhiko Muramatsu is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of automotive technology, particularly in transmission mechanisms. His innovative designs have led to advancements that enhance the functionality and efficiency of vehicle transmissions.

Latest Patents

One of Muramatsu's key inventions is a shift lever support mechanism for transmissions. This mechanism comprises a shift lever with a partly spherical pivot body and a distal end that engages with a gear shifting actuator shaft of the transmission. The design includes a retainer member mounted on the transmission casing, which accommodates the spherical pivot body. The retainer member features a partly spherical seat that supports the pivot body and has a central opening for the distal end. Resilient means are incorporated to urge the pivot body against the seat, ensuring smooth operation. Additionally, a boot is mounted on the shift lever and retainer member, creating a space that communicates with the bore in the retainer member. This innovative arrangement allows for equal pressurization between the boot space and the interior of the transmission casing, preventing oil leakage.

Career Highlights

Katsuhiko Muramatsu is associated with Aisin Seiki Kabushiki Kaisha, a leading company in the automotive parts industry. His work has been instrumental in developing advanced transmission technologies that improve vehicle performance and reliability. With a patent portfolio that includes 1 patent, Muramatsu continues to push the boundaries of automotive innovation.

Collaborations

Throughout his career, Muramatsu has collaborated with talented individuals such as Mitsufumi Nishu and Kenji Takeuchi. These partnerships have fostered a creative environment that encourages the development of cutting-edge automotive solutions.

Conclusion

Katsuhiko Muramatsu's contributions to automotive technology, particularly through his shift lever support mechanism, exemplify the spirit of innovation. His work at Aisin Seiki Kabushiki Kaisha and collaborations with fellow inventors highlight the importance of teamwork in driving technological advancements.

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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