Yokohama, Japan

Katsumi Hosoya


Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 131(Granted Patents)


Location History:

  • Yokohama, JP (1982 - 1985)
  • Tokyo, JP (1992)

Company Filing History:


Years Active: 1982-1992

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5 patents (USPTO):Explore Patents

Title: Innovator Katsumi Hosoya: Advancements in Automotive Safety and Efficiency

Introduction: Katsumi Hosoya, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the automotive industry with a remarkable portfolio of five patents. His innovative designs focus on enhancing vehicle safety and improving engine performance, demonstrating his dedication to the field of automotive engineering.

Latest Patents: Among his latest innovations, Hosoya has developed an airbag restraint system for motor vehicles. This system features a first airbag located in the steering wheel padding and a second airbag in the glove box. The first airbag fully inflates upon ignition of a first inflator, while the second airbag partially inflates with a second inflator and fully inflates with a third. Notably, the system employs breakable conductor members that stop the electric power supply upon airbag inflation, ensuring optimal deployment timing. Additionally, his invention of a twin ignition plug control system for internal combustion engines simplifies performance by allowing a switch from two-point to one-point ignition only under heavy load conditions. This system further reduces manufacturing costs by utilizing shared components with conventional fuel injection systems.

Career Highlights: Katsumi Hosoya is currently a key innovator at Nissan Motor Company Limited, where he has channeled his expertise into groundbreaking research and development. His work exemplifies a commitment to not only advancing vehicle safety but also optimizing engine efficiency through innovative technologies.

Collaborations: In his career, Hosoya has collaborated with notable colleagues, including Isao Yamamoto and Kazuhiro Higashiyama. Together, they have contributed to Nissan's reputation for innovation and excellence in automotive engineering.

Conclusion: Katsumi Hosoya's inventive spirit and technical expertise highlight the importance of innovation within the automotive industry. His latest patents demonstrate a clear impact on both vehicle safety and operational efficiency, leading the way for future advancements. As an influential figure at Nissan Motor Company Limited, Hosoya continues to inspire future generations of inventors and engineers.

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