Saitama, Japan

Kinji Marumo

This inventor holds 1 USPTO granted patent. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kinji Marumo. Retrieved from https://idiyas.com/inventor/kinji-marumo

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 = 3.0

ph-index = 1

Forward Citations = 36(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Kinji Marumo: Innovator in Lubrication Technology

Introduction

Kinji Marumo is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of mechanical engineering, particularly in lubrication systems for gear mechanisms. His innovative approach has led to the development of a unique patent that enhances the efficiency of planetary gear mechanisms.

Latest Patents

Marumo holds a patent for a "Lubricating oil supply structure in planetary gear mechanism." This invention involves a planetary gear mechanism that includes a planetary carrier and pinions that are rotatably carried on the planetary carrier through pinion shafts. The design features an annular lubricating oil supply member mounted on a ring gear supporting member. This member is rotatable and has a plurality of fins formed radially on it. The lubricating oil is scattered by centrifugal force and effectively supplied to oil reservoirs adjacent to the planetary carrier. This innovative structure ensures that lubricating oil is efficiently delivered to the pinion shafts, even when the planetary gear is in a fixed position.

Career Highlights

Kinji Marumo is associated with Honda Giken Kogyo Kabushiki Kaisha, a leading automotive manufacturer known for its commitment to innovation and quality. His work at Honda has allowed him to explore and develop advanced technologies that improve vehicle performance and reliability.

Collaborations

Throughout his career, Marumo has collaborated with talented individuals such as Takashi Hotta and Michio Kojima. These collaborations have fostered an environment of creativity and innovation, leading to advancements in mechanical engineering.

Conclusion

Kinji Marumo's contributions to lubrication technology in planetary gear mechanisms exemplify the spirit of innovation. His patent not only enhances the functionality of gear systems but also reflects the importance of effective lubrication in mechanical design. His work continues to influence the automotive industry and inspire future innovations.

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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