Nagasaki, Japan

Keiichi Shiraishi

This inventor holds 18 USPTO granted patents and 1 published patent application and 7 EPO patents, primarily in Turbocharger Technology. Top assignees: Mitsubishi Heavy Industries Limited, Access Energy LLC, Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd.. Active years: 1994-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Shiraishi. Retrieved from https://idiyas.com/inventor/keiichi-shiraishi

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

USPTO Granted Patents = 18 

% Patents Active = 77.8

 

Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 90(Granted Patents)


Location History:

  • Nagasaki-ken, JP (1999 - 2010)
  • Minato-ku, JP (2015 - 2016)
  • Tokyo, JP (2015 - 2016)
  • Nagasaki, JP (1994 - 2022)

Company Filing History:


Years Active: 1994-2022

Loading Chart...
Loading Chart...
Areas of Expertise:
Turbocharger
Hybrid Exhaust
Marine Vessel
Power Generation
Centrifugal Compressor
Aluminum Alloy Impeller
Exhaust Gas
Thermal Cycles
Supercharger
Motor Cooling
Power Generator
Turbocharger Device
18 patents (USPTO):Explore Patents

Title: Keiichi Shiraishi: Innovator in Supercharger and Motor Cooling Technologies

Introduction

Keiichi Shiraishi is a prominent inventor based in Nagasaki, Japan, known for his significant contributions to automotive technologies. With a remarkable portfolio of 18 patents, Shiraishi's work primarily focuses on innovations in superchargers and motor cooling methods, reflecting his dedication to enhancing vehicle performance and efficiency.

Latest Patents

Among his latest patents, Shiraishi has developed advanced systems such as the electric-assist supercharger. This innovative design features a motor attached to the end portion of a rotor shaft, closely integrated with the vehicle's silencer. Key elements include a suction air introduction path, which facilitates effective airflow towards the compressor, and a cooling air intake path to ensure optimal temperature control.

Another notable patent is the electric motor support mechanism designed for compressors and turbochargers. This invention includes a cylindrical member attached to the air inlet guide's intake opening. The structure, which incorporates multiple struts extending radially, provides robust support for the electric motor, enhancing its operational efficiency and reliability.

Career Highlights

Shiraishi has gained invaluable experience through his work with leading companies in the industry. He has been associated with Mitsubishi Heavy Industries Limited and Mitsubishi Jukogyo Kabushiki Kaisha, where he has played an instrumental role in developing cutting-edge automotive technologies.

Collaborations

Throughout his career, Shiraishi has collaborated with talented professionals including Yoshihisa Ono and Yukio Yamashita. Together, they have contributed to a range of innovations that have pushed the boundaries of automotive engineering and technology.

Conclusion

Keiichi Shiraishi stands out as an influential inventor whose patents are pivotal in advancing supercharger and motor cooling technologies. His legacy continues to inspire innovation within the automotive sector, promising exciting developments for the future.

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…