Kyoto, Japan

Motonao Kaku

This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Sanyo Chemical Industries, Ltd.. Active years: 1995-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motonao Kaku. Retrieved from https://idiyas.com/inventor/motonao-kaku

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 6.1

ph-index = 2

Forward Citations = 48(Granted Patents)


Location History:

  • Hirakata, JP (1995)
  • Kyoto, JP (2002 - 2004)

Company Filing History:


Years Active: 1995-2004

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3 patents (USPTO):Explore Patents

Title: Motonao Kaku: Innovator in Polyether and Polyurethane Foam Technologies

Introduction

Motonao Kaku is a distinguished inventor based in Kyoto, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of polyether compounds and polyurethane foams. With a total of 3 patents to his name, Kaku's work has advanced the understanding and application of resin-forming compositions.

Latest Patents

Kaku's latest patents include innovative technologies related to polyether and polyurethane foams. One of his notable inventions is a resin-forming composition that utilizes polyether compounds and active hydrogen ingredients. This invention focuses on maintaining hydrophobicity while ensuring high reactivity as polyol components in resins. The resulting resins exhibit excellent properties, including tensile strength and flexural strength.

Another significant patent involves a process for producing polyurethane foam. This foam is created by reacting an addition-polymerizable active hydrogen component with an organic polyisocyanate. The resulting polyurethane foam is characterized by its rigidity and dimensional stability, making it suitable for various applications, including heat insulation and shock absorption.

Career Highlights

Motonao Kaku is currently associated with Sanyo Chemical Industries, Ltd., where he continues to innovate in the field of polymer technology. His work has not only contributed to the advancement of materials science but has also positioned his company as a leader in the production of high-performance foams.

Collaborations

Kaku has collaborated with notable colleagues, including Kunikiyo Yoshio and Hidefumi Ohta. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas within the field.

Conclusion

Motonao Kaku's contributions to polyether and polyurethane foam technologies have made a significant impact on the industry. His innovative patents and collaborative efforts continue to drive advancements in materials science, showcasing the importance of research and development in creating high-performance products.

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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