Hiratsuka, Japan

Masakazu Niwa

This inventor holds 10 USPTO granted patents and 1 EPO patent. Top assignees: The Yokohama Rubber Co., Ltd., Coopervision International Holding Company, LP. Active years: 2000-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Niwa. Retrieved from https://idiyas.com/inventor/masakazu-niwa-j23o7pxx

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


% Patents Active = 90.0


Average Co-Inventor Count = 1.7

ph-index = 6

Forward Citations = 97(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2009)
  • Tokyo, JP (2002 - 2013)
  • Hiratsuka, JP (2000 - 2017)

Company Filing History:


Years Active: 2000-2017

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10 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masakazu Niwa

Introduction

Masakazu Niwa, an accomplished inventor based in Hiratsuka, Japan, has made significant strides in the field of tire technology. With a remarkable portfolio of 10 patents, Niwa's innovations are noteworthy within the rubber and automotive industry.

Latest Patents

One of his latest patents includes a groundbreaking design for a pneumatic tire. This innovative tire features carcass layers strategically mounted between a pair of bead parts. The carcass layers are wound from the inner side to the outer side around a bead core of each bead part. The design incorporates protective layers made of organic fiber cords, which are positioned in the sidewall areas on the outer side of the carcass layers. Remarkably, the upper end parts of these protective layers are aligned along the carcass layers, spanning from an outer end location of the belt layers to positions 20 mm inward in the tire width direction and 15 mm outward. Furthermore, the lower end parts are carefully situated between the main body portions of the carcass layers and the bead filler, showcasing Niwa's commitment to enhancing tire durability and performance.

Career Highlights

Throughout his career, Masakazu Niwa has been associated with reputable companies such as The Yokohama Rubber Co., Ltd. and Coopervision International Holding Company, LP. His experience at these organizations has honed his skills and provided ample opportunities to innovate and implement his patent designs.

Collaborations

In his journey as an inventor, Niwa has collaborated with notable colleagues, including Kenichirou Endou and Katsuyuki Kato. Together, they have contributed to advancements in tire engineering, merging their expertise to produce solutions that meet evolving automotive industry demands.

Conclusion

Masakazu Niwa’s contributions to tire technology exemplify the essence of innovation. With a solid foundation of patents and collaborative efforts, he continues to inspire future advancements in the automotive sector, reinforcing his role as a pivotal figure in tire design and engineering.

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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