logo

For the Inventor, By the Inventor

Wako, Japan

Sakuji Arai

This inventor holds 6 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1977-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sakuji Arai. Retrieved from https://idiyas.com/inventor/sakuji-arai

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 71(Granted Patents)


Location History:

  • Wako, JA (1977 - 1978)
  • Ageo, JP (1982)
  • Saitama, JP (1983 - 1985)

Company Filing History:

goldMedal6 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents

Years Active: 1977-1985

Loading Chart...
6 patents (USPTO):Explore Patents
1. 4559776 - Catalytic converter mounting structure for engines (1985-12-24),
2. 4420933 - Exhaust system (1983-12-20),
3. 4347219 - Catalytic converter for exhaust-gas cleaning use and method of (1982-08-31),
4. 4094276 - Intake manifold for internal combustion engine (1978-06-13),
5. 4033124 - Arrangement for deriving intake negative pressure from an (1977-07-05),
6. 4029063 - Intake apparatus for internal combustion engine (1977-06-14),

Title: Sakuji Arai: Innovator in Exhaust System Technology

Introduction

Sakuji Arai is a notable inventor based in Wako, Japan. He has made significant contributions to the field of automotive engineering, particularly in exhaust system technology. With a total of 6 patents to his name, Arai's work has had a considerable impact on vehicle performance and emissions control.

Latest Patents

Arai's latest patents include a catalytic converter mounting structure for engines. This innovative exhaust system features a catalytic converter that is structurally mounted on the side of the engine, providing rigid, non-vibrating support. A flexible tube connects the catalytic converter to the engine exhaust, allowing for the absorption of vibrations and accommodating thermal expansion and contraction. Another significant patent is for an exhaust system designed to collect and catalytically clean exhaust gases from an engine. This system is particularly effective when the catalyst is positioned close to the exhaust ports. It employs exhaust pipes with common walls that separate and convey exhaust gases from two separate cylinders to a common manifold. The manifold is engineered to mix exhaust from multiple cylinders and direct a homogeneous flow to the catalyst, ensuring maximum efficiency in gas distribution and minimizing back pressure.

Career Highlights

Sakuji Arai is currently associated with Honda Giken Kogyo Kabushiki Kaisha, a leading automotive manufacturer. His work at Honda has allowed him to develop and refine technologies that enhance vehicle efficiency and reduce environmental impact. Arai's innovative designs have contributed to Honda's reputation for engineering excellence.

Collaborations

Arai has collaborated with several talented individuals in his field, including Ikuo Kajitani and Yutaka Noritake. These collaborations have fostered a creative environment that encourages the development of cutting-edge automotive technologies.

Conclusion

Sakuji Arai's contributions to exhaust system technology exemplify the importance of innovation in the automotive industry. His patents reflect a commitment to improving vehicle performance and reducing emissions. Arai's work continues to influence 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]
Loading…