Yokosuka, Japan

Takao Kubozuka

This inventor holds 20 USPTO granted patents, primarily in Internal Combustion Engines. Top assignee: Nissan Motor Company Limited. Active years: 1981-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Kubozuka. Retrieved from https://idiyas.com/inventor/takao-kubozuka

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 = 2.0

ph-index = 9

Forward Citations = 278(Granted Patents)


Location History:

  • Yokohama, JP (1981)
  • Kanagawa, JP (1993)
  • Yokosuka, JP (1983 - 2001)

Company Filing History:


Years Active: 1981-2001

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Areas of Expertise:
Automobile Exhaust
Noise Control
Cooling System
Internal Combustion
Spark Timing
Cylinder Head
Noise-Shielding Panel
Anti-Knock System
Low-Noise Engine
Cylinder Block
Oil Pan Construction
Engine Arrangement
20 patents (USPTO):Explore Patents

Title: **The Innovations of Takao Kubozuka: Pioneering Automobile Exhaust Noise Control**

Introduction

Takao Kubozuka, an inventive mind based in Yokosuka, Japan, is a notable figure in the field of automotive engineering. With a robust portfolio that includes 20 patents, he has dedicated his efforts to creating innovative solutions that enhance vehicle performance and reduce environmental impact.

Latest Patents

Among his most recent contributions are two patents related to automobile exhaust noise silencers. The first patent describes an expansion chamber with first and second volume chambers integrated within a muffler housing. By leading the engine exhaust through an inlet tube to the first chamber, the design strategically allows exhaust to flow through openings into the expansion chamber, improving noise silencing efficiency through a dual-exhaust flow path. The second patent employs a similar innovative structure, featuring an inlet tube directing exhaust gas into an expansion chamber, augmented by a dead space chamber and volume chamber configuration to further minimize emission noise. This ingenuity showcases Kubozuka’s commitment to developing technologies that address noise pollution in automotive designs.

Career Highlights

Takao Kubozuka is currently affiliated with Nissan Motor Company Limited, where he applies his rich expertise in automotive technologies. His work emphasizes advancements in noise control systems, reflecting the growing priority of environmental considerations in vehicle design. Over the years, his patents have positioned him as a key player in enhancing the acoustic performance of automobiles.

Collaborations

Throughout his career, Kubozuka has collaborated with esteemed colleagues, including Yoshinori Hirano and Naoki Ogawa. These partnerships have enabled the exchange of ideas and the advancement of innovative concepts that push the boundaries of automotive technology.

Conclusion

Takao Kubozuka’s innovative spirit and dedication to reducing automotive noise pollution exemplify the role of inventors in shaping a sustainable future. With his significant contributions to the field, he continues to pave the way for advancements that not only improve vehicle performance but also contribute to a quieter, more harmonious environment.

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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