Yamagata, Japan

Norio Masuda

This inventor holds 2 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Ceramics Co., Ltd.. Active years: 1989-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Masuda. Retrieved from https://idiyas.com/inventor/norio-masuda-8r0u5558

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 = 5.0

ph-index = 2

Forward Citations = 59(Granted Patents)


Company Filing History:


Years Active: 1989-1991

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Norio Masuda: Innovator in Lapping Tool Technology

Introduction

Norio Masuda is a notable inventor based in Yamagata, Japan. He has made significant contributions to the field of manufacturing, particularly in the development of advanced lapping tools. With a total of 2 patents to his name, Masuda's work showcases his expertise and innovative spirit.

Latest Patents

Masuda's latest patents focus on the creation of lapping tools made from spherical graphite cast iron. The manufacturing process involves casting a molten composition into a mold cavity and chilling one side of the casting to achieve unidirectional solidification. This method results in a lapping tool with an operating surface that boasts a percentage of sphericity higher than 80%. The composition of the molten material includes 3.0-3.8 wt. % of carbon, 2.0-2.9 wt. % of silicon, and various other elements, ensuring the tool's durability and effectiveness. The resulting lapping tool features a graphite particle diameter of less than 100 microns, a density of graphite particles greater than 70/mm², and a Vickers hardness exceeding 200.

Career Highlights

Throughout his career, Norio Masuda has worked with prominent companies such as Toshiba Corporation and Toshiba Ceramics Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the manufacturing sector.

Collaborations

Masuda has collaborated with notable coworkers, including Takanobu Nishimura and Masaharu Kinoshita. Their combined expertise has likely played a role in the successful development of his patented technologies.

Conclusion

Norio Masuda's contributions to the field of lapping tool technology highlight his innovative approach and dedication to advancing manufacturing processes. His patents reflect a commitment to quality and performance in industrial applications.

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]
Loading…