Kanagawa, Japan

Hiroyuki Hara

USPTO Granted Patents = 61 

 

Average Co-Inventor Count = 2.3

ph-index = 10

Forward Citations = 457(Granted Patents)

Forward Citations (Not Self Cited) = 450(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sumida, JP (1989)
  • Yokohama, JP (1998)
  • Kawasaki, JP (1996 - 2006)
  • Kanawaga, JP (2009)
  • Kanagawa, JP (1993 - 2021)
  • Fujisawa, JP (1991 - 2022)
  • Fujisawa Kanagawa, JP (2020 - 2022)
  • Chiyoda-ku, JP (2013 - 2023)
  • Tokyo, JP (1987 - 2024)

Company Filing History:


Years Active: 1987-2025

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Areas of Expertise:
Liquid Repellent Composition
Waterproofing Composition
Polymer Production
Semiconductor Storage Device
Fluorinated Copolymer Dispersion
Antifouling Composition
Semiconductor Integrated Circuit
Electrostatic Actuator
Image Processing Apparatus
CMOS Full Adder Circuit
BiCMOS Logic Circuit
Charge Calculation Apparatus
61 patents (USPTO):Explore Patents

Title: Innovations of Hiroyuki Hara: A Pioneering Inventor in Polymer Technology

Introduction: Hiroyuki Hara, a distinguished inventor based in Kanagawa, Japan, is recognized for his significant contributions to the field of polymer science. With an impressive portfolio consisting of 59 patents, Hara specializes in developing advanced materials that enhance water and oil resistance, showcasing his commitment to innovation and excellence in material science.

Latest Patents: Among Hara's notable inventions, his recent patents focus on novel polymers and methods for producing water- and oil-proof materials. His advancements include a polymer designed to provide exceptional water and oil resistance, facilitating the creation of waterproof and oil-proof paper. This polymer consists of specific molecular units that ensure optimal performance, highlighting a ratio of 28 to 70 mol % of units a and a total of 30 to 72 mol % of units b and c. His methodology also addresses the production of compositions that maintain both oil repellency and water resistance under heavy rain conditions, thereby extending the functionality and durability of materials.

Career Highlights: Hiroyuki Hara has had a remarkable career in renowned companies such as Toshiba Corporation and Canon Inc. His work in these organizations has been pivotal in driving technological advancements in polymer applications, thereby contributing to a broader understanding of material interactions with environmental factors.

Collaborations: Throughout his career, Hara has collaborated with esteemed colleagues, including Yasuhiro Sugimoto and Shinichi Nakamura. Together, they have explored various avenues within polymer technology, further enhancing their collective impact on the industry.

Conclusion: In conclusion, Hiroyuki Hara stands out as a prominent figure in the realm of polymer innovations, with a robust patent portfolio that underscores his expertise and pioneering spirit. His dedication to developing high-performance materials not only showcases his innovative capabilities but also contributes significantly to advancements in various industries reliant on superior water and oil resistance systems.

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