Aichi, Japan

Masashi Andoh

This inventor holds 1 USPTO granted patent. Top assignee: The Pilot Ink Co., Ltd.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Andoh. Retrieved from https://idiyas.com/inventor/masashi-andoh

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 = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Masashi Andoh: Innovator in Ballpoint Pen Technology

Introduction

Masashi Andoh is a notable inventor based in Aichi, Japan. He is recognized for his contributions to the design and functionality of ballpoint pens. His innovative approach has led to the development of a unique ballpoint pen that addresses common issues faced by users.

Latest Patents

Masashi Andoh holds a patent for a ballpoint pen and cap, which is designed to prevent the pipe portion from bending at the joint, even when the outer diameter is small. The invention features a ballpoint pen tip that rotatably accommodates a ball at the front end of a metal pipe. The design includes an outwardly projecting pipe portion with a uniform thickness throughout its length. The relational expression 'L/D ≤ 4.0' is satisfied, ensuring durability and functionality.

Career Highlights

Andoh is currently employed at Pilot Ink Co., Ltd., a company renowned for its high-quality writing instruments. His work has significantly contributed to the advancement of pen technology, enhancing user experience and product reliability.

Collaborations

Masashi Andoh has collaborated with notable colleagues, including Nobuo Sekine and Takehiko Yokosuka. Their combined expertise has fostered innovation within the company and the industry.

Conclusion

Masashi Andoh's inventive spirit and dedication to improving everyday writing tools have made a lasting impact in the field of pen technology. His patent for the ballpoint pen exemplifies his commitment to innovation and quality.

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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