Yamatokoriyama, Japan

Ohkawa Takeshi

This inventor holds 1 USPTO granted patent. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ohkawa Takeshi. Retrieved from https://idiyas.com/inventor/ohkawa-takeshi

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


Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2009

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1 patent (USPTO):Explore Patents

Title: Ohkawa Takeshi: Innovator in Developing Toner Technology

Introduction

Ohkawa Takeshi is a prominent inventor based in Yamatokoriyama, Japan. He has made significant contributions to the field of imaging technology, particularly in the development of toners for electrostatic latent images. His innovative work has led to advancements that enhance the performance and efficiency of image forming apparatuses.

Latest Patents

Ohkawa Takeshi holds a patent for developing a toner specifically designed for electrostatic latent images. This toner addresses the challenges associated with the size reduction of image forming apparatuses and the decrease in consumption amounts. His invention ensures that the working life of photoreceptors is not shortened, while also minimizing issues such as paper jams and background fogging. The toner is characterized by its excellent performance in various required attributes, enabling the formation of high-quality images.

Career Highlights

Ohkawa Takeshi is associated with Sharp Kabushiki Kaisha Corporation, where he has been instrumental in advancing imaging technologies. His expertise in developing toners has positioned him as a key figure in the company, contributing to its reputation for innovation in the imaging sector.

Collaborations

Ohkawa has collaborated with notable colleagues, including Takeshi Satoh and Hitoshi Nagahama. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise, further enhancing the development of innovative technologies.

Conclusion

Ohkawa Takeshi's contributions to toner technology exemplify his commitment to innovation in the imaging industry. His work not only improves the functionality of image forming apparatuses but also sets a standard for quality in image production. His achievements reflect the importance of continuous innovation in technology.

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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