Kawachinagano, Japan

Masaaki Hama

This inventor holds 2 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Hama. Retrieved from https://idiyas.com/inventor/masaaki-hama-gf4fgs80

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 = 2.7

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Osaka, JP (1991)
  • Kawachinagano, JP (2002)

Company Filing History:


Years Active: 1991-2002

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2 patents (USPTO):Explore Patents

Title: Masaaki Hama: Innovator in Tractor Transmission Technology

Introduction

Masaaki Hama is a notable inventor based in Kawachinagano, Japan. He has made significant contributions to the field of agricultural machinery, particularly in tractor transmission technology. With a total of 2 patents to his name, Hama's innovations have the potential to enhance the efficiency and performance of tractors.

Latest Patents

Hama's latest patents include a tractor transmission and a hydraulically operable transmission. The tractor transmission features a change speed mechanism, a shift lever for shifting the change speed mechanism, and a super-reduction mechanism for decelerating and outputting power. This innovative design allows for a seamless transition between the super-reduction mechanism and an overdrive mechanism, enhancing the tractor's operational capabilities.

The hydraulically operable transmission comprises change speed gears, a hydraulic clutch, and a hydraulic circuit for operating these components. This design includes a pressure increase adjustor that optimizes the hydraulic clutch engagement, ensuring smooth operation under varying conditions.

Career Highlights

Masaaki Hama is currently employed at Kubota Corporation, a leading company in agricultural machinery. His work at Kubota has allowed him to focus on developing advanced transmission systems that improve the functionality of tractors.

Collaborations

Hama has collaborated with notable coworkers such as Junichirou Inoue and Kenji Kato. Their combined expertise has contributed to the successful development of innovative technologies within the company.

Conclusion

Masaaki Hama's contributions to tractor transmission technology exemplify the importance of innovation in the agricultural sector. His patents reflect a commitment to enhancing machinery performance, which can lead to increased productivity in farming practices.

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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