Kitakyushu, Japan

Masahiro Kuroishi

USPTO Granted Patents = 21 

 

Average Co-Inventor Count = 4.5

ph-index = 7

Forward Citations = 137(Granted Patents)


Location History:

  • Fukuoka, JP (1999 - 2011)
  • Fukuoka-ken, JP (2011 - 2013)
  • Chigasaki, JP (2014)
  • Kitakyushu, JP (2016 - 2024)

Company Filing History:


Years Active: 1999-2024

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21 patents (USPTO):Explore Patents

Title: Innovations and Patents of Masahiro Kuroishi

Introduction

Masahiro Kuroishi is an innovative inventor based in Kitakyushu, Japan. He has made significant contributions to the field of plumbing and sanitation technology, holding an impressive total of 21 patents. His work primarily focuses on the development of advanced flush water tank and toilet apparatuses, emphasizing efficiency and functionality.

Latest Patents

Kuroishi's latest patents showcase two significant advancements: the "Flush Water Tank Apparatus" and the "Flush Toilet Apparatus Provided with the Same." The flush water tank apparatus features a reservoir tank and a discharge valve, along with a hydraulic drive system intended to operate the discharge valve. Importantly, it includes a discharge/vacuum break valve device designed to manage the water flow and ensure effective operation even when the water supply is momentarily halted.

Additionally, his other patent, "Flush Water Tank Apparatus and Flush Toilet Apparatus Equipped with Same," introduces a flush water tank capable of regulating a discharge valve without requiring external power sources. This system utilizes the pressure from municipal water supply to drive the discharge valve, and it is enhanced with an electric generator that harnesses the flow of water to operate an electromagnetic valve and water supply control device.

Career Highlights

Masahiro Kuroishi is affiliated with Toto Ltd., a leading manufacturer in the bathroom equipment sector known for its commitment to innovation and quality. His work at Toto Ltd. has positioned him as an influential figure in creating sustainable and efficient bathroom solutions that cater to modern needs.

Collaborations

Throughout his career, Kuroishi has collaborated with esteemed colleagues, including Nobuhiro Hayashi and Hidekazu Kitaura. This teamwork has likely contributed to the successful development and implementation of his innovative patents, fostering a collaborative environment that promotes ingenuity in their projects.

Conclusion

Masahiro Kuroishi stands out as a prominent inventor in the plumbing technology arena, with a portfolio of patents that promises to enhance efficiency in bathroom systems. His ongoing contributions at Toto Ltd. and collaborations with fellow engineers illustrate a steadfast commitment to innovation, with the potential to improve sanitation technology significantly.

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