Saitama, Japan

Toshio Yamagiwa



Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 333(Granted Patents)

Forward Citations (Not Self Cited) = 324(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Niiza, JP (1987 - 1994)
  • Saitama-ken, JP (1999 - 2004)
  • Wako, JP (2001 - 2010)
  • Saitama, JP (1998 - 2013)

Company Filing History:


Years Active: 1987-2013

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50 patents (USPTO):Explore Patents

Title: Innovator Profile: Toshio Yamagiwa

Introduction: Toshio Yamagiwa, based in Saitama, Japan, is a prominent inventor with a remarkable portfolio of 50 patents. His innovations primarily focus on vehicle technology, aiming to enhance safety and management in the automotive industry.

Latest Patents: Among his recent patents are notable inventions such as the Vehicle-use Key, a Maintenance Support/Management System for Vehicles, and a Stolen Vehicle Check System. The Vehicle-use Key serves multiple purposes: it allows the owner to access the vehicle, prevents theft by ensuring the key cannot be easily taken, and assists in locating a stolen vehicle. This key incorporates a radio communication component (RFID), facilitating data exchange with external devices, enabling the owner to manage vital vehicle history and maintenance records seamlessly. Additionally, he has developed an IC Tag equipped vehicle system, featuring various dashboard indicators and a robust data management system that uses wireless communication to provide vehicle performance information.

Career Highlights: Throughout his esteemed career, Toshio Yamagiwa has contributed significantly to major automotive manufacturers, including Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His inventions reflect a strong commitment to innovation in vehicle technology.

Collaborations: Toshio has worked alongside notable colleagues such as Tomoyuki Harada and Hirohisa Takahashi. Together, they have contributed to advancing automotive technologies and ensuring safer driving experiences for consumers.

Conclusion: Toshio Yamagiwa's dedication to innovation and his impressive collection of patents underscore his influence in the automotive sector. With ongoing advancements in vehicle technology, his contributions continue to shape the future of vehicle safety and management.

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