Shizuoka, Japan

Sadamu Iwanaga

This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignee: Yamaha Hatsudoki Kabushiki Kaisha. Active years: 2008-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadamu Iwanaga. Retrieved from https://idiyas.com/inventor/sadamu-iwanaga

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


% Patents Active = 60.0

 

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 49(Granted Patents)


Location History:

  • Shizuoka, JP (2008 - 2009)
  • Shizuoka-ken, JP (2009)

Company Filing History:


Years Active: 2008-2009

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5 patents (USPTO):Explore Patents

Title: Innovations by Inventor Sadamu Iwanaga

Introduction

Sadamu Iwanaga is a notable inventor based in Shizuoka, Japan. With five patents to his name, he has significantly contributed to the advancement of straddle-type vehicles, particularly in the areas of vehicle design and automated transmission systems. His innovative solutions have impacted the automotive industry, particularly in enhancing vehicle performance and reliability.

Latest Patents

Iwanaga's recent inventions include two prominent patents that showcase his expertise. The first is a straddle-type vehicle incorporating a radiator with heightened support stiffness. This design features an engine bracket that extends vertically and connects to the body frame, ensuring optimal radiator positioning. The arrangement of the upper and lower radiators helps maintain efficient engine cooling, which is critical for the performance and longevity of the vehicle.

The second significant patent involves an automatic transmission system for motorcycles. This invention minimizes the adverse effects of engine heat and vibrations by strategically positioning the shift actuator away from the engine and transmission. In this design, the transmission is equipped with a multiple-step speed change gear and a clutch mechanism that facilitates smooth gear switching. An automatic transmission control unit governs these operations, providing seamless and efficient performance for users of straddle-type vehicles.

Career Highlights

Sadamu Iwanaga has established a commendable career working for Yamaha Hatsudoki Kabushiki Kaisha. His contributions as an inventor in this esteemed company have driven innovations that enhance the capabilities of their motorcycle and vehicle offerings. The technical knowledge and practical applications he brings to his work have garnered attention and respect within the industry.

Collaborations

Throughout his career, Iwanaga has collaborated with talented peers such as Makoto Kosugi and Takuji Murayama. These partnerships have fostered an environment of creativity and technical advancement, enabling them to push the boundaries of what is possible in the realm of transportation and vehicle technology.

Conclusion

Sadamu Iwanaga continues to be a key player in vehicle innovation through his inventive designs and practical applications in automated systems. His work at Yamaha Hatsudoki Kabushiki Kaisha exemplifies the impact of innovation in the automotive sector, and his patents serve as a testament to his creativity and technical prowess. As the industry evolves, Iwanaga's contributions will undoubtedly continue to influence the future of straddle-type vehicles.

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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