Aichi-ken, Japan

Masayuki Nakagawa



Average Co-Inventor Count = 2.5

ph-index = 13

Forward Citations = 501(Granted Patents)

Forward Citations (Not Self Cited) = 480(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nagaokakyo-shi, Kyoto-fu, JP (1989)
  • Inazawa, JP (1993)
  • Musashino-shi, Tokyo, JP (1997)
  • Nakashima-gun, JP (1998)
  • Aichi, JP (1999)
  • Iwakura, JP (1998 - 2004)
  • Nishikasugai-gun, JP (2003 - 2005)
  • Aichi-ken, JP (1996 - 2016)

Company Filing History:


Years Active: 1989-2016

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Areas of Expertise:
Tank Opening-Closing Device
Fuel Tank
Cap Device
Gasket
Fueling Device
Check Valve
Fuel Cutoff Valve
Polyamide Resin Composition
Fuel Tank Cap
Hose Structure
Evaporation Loss Control Device
Duplex Computer System
50 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masayuki Nakagawa in Fuel Tank Technology

Introduction: Masayuki Nakagawa, an accomplished inventor based in Aichi-ken, Japan, has made significant strides in the field of fuel tank technology. With an impressive portfolio of 50 patents, his innovations aim to enhance the efficiency and safety of fuel systems in varying applications.

Latest Patents: One of Nakagawa's latest inventions is a sophisticated tank opening-closing device. This device features a simple but effective mechanism that includes a pressure adjustment valve designed to regulate the internal pressure of fuel tanks. The mechanism incorporates a gasket on the inlet's peripheral edge and a valve opening-closing mechanism that can both open and close the inlet while managing the internal pressure of the tank. Furthermore, the retraction mechanism allows the valve to shift between a closed position and a fueling position that works in conjunction with a fueling gun. This innovative setup ensures a secure and efficient process for fuel supply while enhancing user safety.

Additionally, Nakagawa developed another variation of the tank opening-closing device that includes a tank opening forming member outfitted with a fuel path for guiding fuel from the filling gun to the tank. The valve operates in a sealed state, employing an opening-closing activation mechanism that utilizes a pivoted operating member and a pressing member. This setup allows the operation to seamlessly open the inlet when the fueling gun is pressed against it, demonstrating Nakagawa's commitment to simplifying fuel management systems.

Career Highlights: Throughout his career, Nakagawa has made a mark in the automotive and fuel technology sectors. He has dedicated a significant portion of his work to developing systems that prioritize both functionality and safety, which has made impactful changes in the industry.

Collaborations: During his career, Nakagawa has collaborated with notable individuals such as Hiroyuki Hagano and Tomohide Aoki. These partnerships have enabled him to enhance his innovative processes and implement more comprehensive solutions within fuel technology.

Conclusion: Masayuki Nakagawa's contributions to the field of fuel tank technology are significant, as evidenced by his extensive patent portfolio and collaborative efforts. His latest inventions demonstrate a forward-thinking approach to safety and efficiency, making him a key figure in the evolution of fuel systems. As fuel technology continues to develop, Nakagawa's innovations are sure to play a pivotal role in shaping the industry's future.

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