Tokyo, Japan

Chihiro Mochizuki

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Pencil Company, Limited. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chihiro Mochizuki. Retrieved from https://idiyas.com/inventor/chihiro-mochizuki-k6kwh2t4

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 1


Company Filing History:


Years Active: 2025

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2 patents (USPTO):Explore Patents

Title: Chihiro Mochizuki: Innovator in Writing Instruments

Introduction

Chihiro Mochizuki is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of writing instruments, holding 2 patents that showcase his innovative designs and functionality.

Latest Patents

Mochizuki's latest patents include a unique writing instrument designed to prevent condensation within the cap while maintaining high quality and commercial value. This writing instrument features a barrel containing aqueous ink, a pen tip for discharging the ink, and a cap that is removable. The aqueous ink is engineered to have a vapor pressure of 10.3 to 12.3 kPa at 50° C. Another patent focuses on a writing implement that maximizes the effective area of a viewer portion, allowing for better visual recognition while writing. This implement includes a pen tip that feeds ink from the body and has a viewer portion that is at least 3.7 mm wide and 7.4 mm long, enhancing the writing experience.

Career Highlights

Chihiro Mochizuki is currently employed at Mitsubishi Pencil Company, Limited, where he continues to innovate in the writing instrument sector. His work has contributed to the development of high-quality writing tools that are both functional and user-friendly.

Collaborations

Mochizuki collaborates with talented individuals such as Toshimi Kamitani and Hirotake Izawa, who contribute to the creative process and development of new ideas in writing instruments.

Conclusion

Chihiro Mochizuki's innovative approach to writing instruments has led to the creation of patents that enhance the user experience. His work at Mitsubishi Pencil Company, Limited, along with his collaborations, positions him as a key figure in the field of writing 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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