Gunma, Japan

Yoji Nishimoto

This inventor holds 1 USPTO granted patent. Top assignees: Mitsubishi Pencil Kabushiki Kaisha, Osaka Gas Company Limited. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoji Nishimoto. Retrieved from https://idiyas.com/inventor/yoji-nishimoto

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 = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Yoji Nishimoto: Innovator in Non-Baked Color Pencil Leads

Introduction

Yoji Nishimoto is a notable inventor from Gunma, Japan, recognized for his innovative contributions to the field of color pencil manufacturing. His work focuses on developing non-baked color pencil leads that enhance performance and reduce production costs.

Latest Patents

Nishimoto holds a patent for "Non-baked color pencil leads and method for preparing same." This invention describes a novel approach to creating color pencil leads without the use of wax. The process involves forming a blend composition from a filler, a pigment, and a binder, with at least one component being partially covered with a fluorinated aromatic compound. The blend is kneaded with a solvent and/or plasticizer, extruded, and dried to remove excess materials. The resulting leads exhibit excellent mechanical properties, smooth writing performance, and the ability to draw uniform lines. Additionally, the manufacturing process allows for high-temperature and short-time drying, significantly lowering production costs.

Career Highlights

Throughout his career, Nishimoto has worked with prominent companies, including Mitsubishi Pencil Co., Ltd. and Osaka Gas Company Limited. His experience in these organizations has contributed to his expertise in product development and innovation.

Collaborations

Nishimoto has collaborated with talented individuals such as Katsunori Kitazawa and Toshiyuki Maeda, further enhancing his work in the field of color pencil technology.

Conclusion

Yoji Nishimoto's contributions to the development of non-baked color pencil leads demonstrate his innovative spirit and commitment to improving product performance. His patent reflects a significant advancement in manufacturing techniques, benefiting both consumers and manufacturers alike.

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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