Tokyo, Japan

Kenji Hirohata

USPTO Granted Patents = 53 

Average Co-Inventor Count = 3.5

ph-index = 7

Forward Citations = 286(Granted Patents)

Forward Citations (Not Self Cited) = 268(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Koto-ku, JP (2010 - 2016)
  • Kouto, JP (2019)
  • Minato-ku, JP (2018 - 2021)
  • Tokyo, JP (2010 - 2022)
  • Koto, JP (2017 - 2023)
  • Koto Tokyo, JP (2021 - 2024)

Company Filing History:


Years Active: 2010-2025

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53 patents (USPTO):

Title: Innovations by Kenji Hirohata: A Visionary in Semiconductor Technology

Introduction: Kenji Hirohata is a prominent innovator based in Tokyo, Japan, known for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 51 patents, Hirohata continues to push the boundaries of technology, resulting in groundbreaking advancements that have far-reaching implications in various industries.

Latest Patents: Among Hirohata's most notable recent patents is a semiconductor device that comprises a pair of electrodes and a conductive connection member electrically bonded to the electrodes. This invention introduces an electromigration reducing area on the perimeter of the bonding surface, effectively enhancing the reliability and efficiency of semiconductor devices. Another key patent focuses on a control apparatus, control method, and computer program product, wherein hardware processors acquire input data representing the physical fields of elements at specified time points. This apparatus leverages an estimation model to control objects with precision based on calculated energy functionals, demonstrating a sophisticated level of technological advancement.

Career Highlights: Kenji Hirohata has honed his expertise through his work at notable companies, including Kabushiki Kaisha Toshiba and Toshiba Medical Systems Corporation. His career has been marked by a commitment to innovation and excellence, reflecting his dedication to improving semiconductor technologies and their applications in various sectors.

Collaborations: Throughout his career, Hirohata has collaborated with talented individuals, including Junichiro Ooga and Satoshi Wakai. These collaborations have undoubtedly contributed to the innovative spirit and success of the projects he undertook, allowing for the exchange of ideas and knowledge that bolster technological advancements.

Conclusion: Kenji Hirohata's impressive body of work and dedication to innovation in semiconductor technologies cements his status as a leading inventor in the field. With ongoing advancements and a robust portfolio of patents, Hirohata continues to shape the future of technology, showcasing the impact of relentless pursuit of innovation.

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