Osaka, Japan

Hiroshi Takemoto

This inventor holds 8 USPTO granted patents and 1 published patent application. Top assignees: Shionogi Company Limited, Kyocera Document Solutions Inc., Hokkaido University. Active years: 1993-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Takemoto. Retrieved from https://idiyas.com/inventor/hiroshi-takemoto-34i0uvtv

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 37.5

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 71(Granted Patents)


Location History:

  • Sapporo, JP (2014)
  • Osaka, JP (1993 - 2016)

Company Filing History:


Years Active: 1993-2016

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8 patents (USPTO):Explore Patents

Title: **Hiroshi Takemoto: Innovator in Electrophotographic Technology**

Introduction

Hiroshi Takemoto, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of electrophotography. With a total of eight patents to his name, Takemoto has focused on developing methods and apparatus for enhancing imaging technologies. His innovative approach has led to advancements that can impact various applications in imaging and printing.

Latest Patents

Among his latest patents, Takemoto has introduced a comprehensive Method of Manufacturing Positively-Charged Single-Layer Electrophotographic Photoreceptor. This patent outlines a sophisticated process involving the creation of a photosensitive layer application liquid consisting of a good solvent and an organic solvent with specific boiling points. Furthermore, he has developed a Positively-Charged Single-Layer Electrophotographic Photoreceptor that utilizes a tubular photosensitive layer support base. Notably, the support base features a wall thickness of 0.7 mm or less and adheres to precise chamfer angles, ensuring optimal performance and durability. Additionally, the Image Forming Apparatus incorporates these advancements, advancing the efficiency and quality of imaging systems.

Career Highlights

Hiroshi Takemoto’s career has been marked by his tenure at reputable companies such as Shionogi & Company Limited and Kyocera Document Solutions Inc. His experiences at these organizations have allowed him to refine his technical skills and contribute to groundbreaking projects in the realm of imaging technology. Through his work, he has garnered recognition for his innovative mindset and practical solutions.

Collaborations

Throughout his career, Takemoto has collaborated with notable colleagues, including Masami Takayama and Keizo Kimoto. These partnerships have fostered a dynamic exchange of ideas, further enhancing the innovative outcomes of their projects. Such collaborations are key in pushing the boundaries of technology and achieving remarkable advancements.

Conclusion

Hiroshi Takemoto stands out as a pioneering inventor in the realm of electrophotography. His numerous patents reflect both his expertise and dedication to enhancing imaging technology. As he continues to work on innovative solutions, his contributions will undoubtedly have lasting effects in the industry and inspire future innovations.

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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