Toyota, Japan

Kazuo Kobayashi

This inventor holds 7 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Sanyo Chemical Industries, Ltd.. Active years: 1977-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Kobayashi. Retrieved from https://idiyas.com/inventor/kazuo-kobayashi-c7ozc2m1

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 = 4.7

ph-index = 5

Forward Citations = 49(Granted Patents)


Location History:

  • Shizuoka, JA (1977)
  • Toyota, JP (1980 - 2003)

Company Filing History:


Years Active: 1977-2003

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7 patents (USPTO):Explore Patents

Title: Innovator Kazuo Kobayashi: Advancements in Automotive Materials

Introduction: Kazuo Kobayashi is a prominent inventor based in Toyota, Japan, known for his significant contributions to automotive materials through his extensive work. With a total of seven patents to his name, Kobayashi has been instrumental in developing innovative solutions that enhance the functionality and durability of automotive components.

Latest Patents: Among his notable inventions, two recent patents stand out. The first, titled "Polyurethane Resin Type Composition for Slush Molding," reveals a composition ideal for slush molding. This composition includes a thermoplastic polyurethane elastomer characterized by a number average molecular weight of 10,000 to 50,000, predominantly comprising an aromatic ring-containing diol and a non-aromatic diisocyanate. This advanced material offers exceptional durability, including resistance to thermal and light aging, as well as chemical stability, while providing a pleasant touch at lower temperatures.

Kobayashi's second patent pertains to an "Instrument Panel Integrally Equipped with Air Bag Door Portion." This innovative design showcases a division-type instrument panel, which features distinctly separated areas. It addresses design constraints posed by break lines and parting lines associated with air bag door portions, ultimately improving the overall aesthetic quality. Notably, the design divides the panel into upper and lower sections, facilitating better integration of passenger and driver-side lower panels, while also ensuring that the parting line aligns seamlessly with the air bag door cleavage line.

Career Highlights: Throughout his career, Kazuo Kobayashi has made remarkable strides in the field of automotive engineering. He has worked at Toyota Motor Corporation, where he has leveraged his expertise to push the boundaries of material science and design. His contributions have paved the way for advancements in safety and user experience in vehicles.

Collaborations: During his professional journey, Kobayashi has collaborated with esteemed colleagues including Hideki Ohmori and Yoshitsugu Takai, further enhancing the innovation process within the automotive sector. Together, they have combined their skills and knowledge to drive forward-thinking advancements in automotive design and materials.

Conclusion: Kazuo Kobayashi's work exemplifies the spirit of innovation in the automotive industry. With several patents showcasing his expertise in materials technology, he continues to play a vital role in enhancing the safety and comfort of vehicles on the road. His ongoing contributions underline the importance of inventive minds in shaping the future of automotive 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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