Nagoya, Japan

Yoshiaki Okawara

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: The Pilot Ink Co., Ltd., Kabushiki Kaisha Pilot Corporation. Active years: 2000-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Okawara. Retrieved from https://idiyas.com/inventor/yoshiaki-okawara

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Aichi, JP (2000)
  • Nagoya, JP (2017)

Company Filing History:


Years Active: 2000-2017

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2 patents (USPTO):Explore Patents

Title: Yoshiaki Okawara: Innovator in Writing Instruments

Introduction

Yoshiaki Okawara is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of writing instruments, holding a total of 2 patents. His innovative designs focus on enhancing the functionality and usability of everyday writing tools.

Latest Patents

Okawara's latest patents include a friction body and a writing instrument set. The friction body is designed to rub a thermochromic image or handwriting formed on paper using thermochromic ink. This invention allows for thermal discoloration of the image or handwriting through frictional heat. The thermal conductivity of the friction portion is set within a range of 0.05 W/(m·K) to 50 W/(m·K). Another significant patent is for a ballpoint pen that prevents the pipe portion from bending at the joint, even with a small outer diameter. This pen features a ballpoint tip that rotatably accommodates a ball at the front end of a metal pipe, ensuring durability and functionality.

Career Highlights

Throughout his career, Yoshiaki Okawara has worked with prominent companies such as Pilot Ink Co., Ltd. and Kabushiki Kaisha Pilot Corporation. His experience in these organizations has contributed to his expertise in developing innovative writing instruments.

Collaborations

Okawara has collaborated with talented individuals in the industry, including Takashi Wase and Michiyuki Yasuda. These partnerships have fostered creativity and innovation in his projects.

Conclusion

Yoshiaki Okawara's contributions to the field of writing instruments demonstrate his commitment to innovation and quality. His patents reflect a deep understanding of user needs and technological advancements. His work continues to influence the design and functionality of writing tools today.

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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