Aki-gun, Japan

Hiroshi Kubota

This inventor holds 12 USPTO granted patents and 4 published patent applications and 1 EPO patent. Top assignees: Mazda Motor Corporation, Dainippon Ink and Chemicals, Incorporated, Nippon Paint Automotive Coatings Co., Ltd. Active years: 1998-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kubota. Retrieved from https://idiyas.com/inventor/hiroshi-kubota-9ka8b4uw

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 12 

% Patents Active = 83.3


Average Co-Inventor Count = 4.6

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Hiroshima-ken, JP (1998 - 2001)
  • Kumamoto, JP (2003)
  • Hiroshima, JP (2003 - 2017)
  • Aki-gun, JP (2018 - 2022)

Company Filing History:


Years Active: 1998-2024

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12 patents (USPTO):Explore Patents

Title: The Innovative Mind of Hiroshi Kubota

Introduction

Hiroshi Kubota, an accomplished inventor based in Aki-gun, Japan, has made significant contributions to the field of coatings through his 12 patented innovations. With an impressive background working in renowned companies, Kubota’s work focuses on enhancing the durability and aesthetic appeal of resin molded products, particularly in the automotive industry.

Latest Patents

Hiroshi Kubota's recent patents showcase his innovative approaches to coating technologies. One notable patent is a "Method for Coating Resin Molded Product," which aims to eliminate dents in the topcoat film by utilizing a unique undercoat material. This method enhances the performance of plastic components by applying an undercoat to form a stable film before adding a topcoat, ultimately thermally curing it for superior results.

Another significant patent of his involves the "Coating of Inner Plate Part of Vehicle." This invention details a process where the outer plate is coated with a specific perylene-based pigment, ensuring high reflectance properties that meet stringent industry standards. Additionally, the inner plate utilizes both perylene-based and iron oxide-based pigments, achieving a precise mass ratio for optimal performance.

Career Highlights

Hiroshi Kubota has held key positions at prestigious organizations like Mazda Motor Corporation and Dainippon Ink and Chemicals, Incorporated. His experience in these companies has provided him with invaluable insights into the practical applications of his inventions, directly impacting automotive manufacturing practices.

Collaborations

Throughout his career, Kubota has worked alongside talented colleagues such as Sakura Nakano and Yoshiaki Marutani. Their collaborative efforts have contributed to advancements in coating technologies, leading to numerous patents that enhance product quality and performance.

Conclusion

Hiroshi Kubota exemplifies the spirit of innovation in the field of coatings and resin technologies. His impressive portfolio of patents and collaborative ventures highlights his dedication to improving the functionality and aesthetic value of products. As he continues to develop new solutions, it will be exciting to see how his contributions shape the future of manufacturing and product design.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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