Wako, Japan

Hiroshi Iwakami

This inventor holds 22 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Electric Vehicles. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 2005-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Iwakami. Retrieved from https://idiyas.com/inventor/hiroshi-iwakami

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

USPTO Granted Patents = 22 

% Patents Active = 4.5


Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 80(Granted Patents)


Location History:

  • Saitama, JP (2006 - 2013)
  • Wako, JP (2005 - 2016)
  • Tokyo, JP (2019)

Company Filing History:


Years Active: 2005-2019

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Areas of Expertise:
Electric Straddled Vehicle
Battery Charger
Water Jet Propulsion
Inverted Pendulum Control
Vehicle Body Frame
Small Watercraft
Drive Shaft Structure
Trim Adjusting Device
Marine Drive Shaft
Cable Supporting Structure
Personal Watercraft
Vibration Suppression
22 patents (USPTO):Explore Patents

Title: Innovations of Hiroshi Iwakami: A Pioneer in Vehicle Technology

Introduction: Hiroshi Iwakami, an accomplished inventor based in Wako, Japan, has made significant contributions to vehicle technology with a portfolio of 22 patents. His innovative designs focus on improving vehicle structure and functionality, demonstrating a keen understanding of engineering principles and materials.

Latest Patents: Among his latest patents, Iwakami has developed a vehicle body frame structure specifically designed for saddle riding vehicles. This innovative frame consists of a head section that rotatably supports a steering shaft, with main frames extending toward the rear. The cross section of the main frame is designed in a substantially rectangular shape, featuring a vertical width greater than its lateral width. Notably, he utilizes carbon fiber reinforced resin, ensuring that the carbon fibers are uniformly oriented in the vehicle body’s forward/rearward direction, providing enhanced strength and durability.

Another notable invention is the inverted pendulum type vehicle. This design addresses the load distribution issues associated with sub-wheels, ensuring that undue stress is not exerted on them. His vehicle is equipped with a main wheel that allows movement in multiple directions and includes a sub-wheel arm that supports a grounded sub-wheel via a deformable biasing device. This innovative mechanism ensures stability and control, even under variable loads.

Career Highlights: Hiroshi Iwakami has built an impressive career within prominent automotive companies. He has notably worked with Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha, where he has leveraged his expertise to contribute to advancements in vehicle engineering and technology. His work has profoundly impacted the design and functionality of various vehicle types.

Collaborations: Throughout his career, Iwakami has collaborated with esteemed colleagues, such as Tomohiro Fuse and Masahiko Tsuchiya. These partnerships have fostered an environment of innovation, leading to groundbreaking developments in the automotive industry.

Conclusion: Hiroshi Iwakami's contributions to vehicle technology through his extensive patent portfolio highlight his creativity and technical prowess. His latest inventions, particularly in saddle riding vehicle structures and inverted pendulum type vehicles, showcase his ability to address real-world engineering challenges. As he continues to innovate, Iwakami remains a key figure in advancing automotive design and functionality.

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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