Hino, Japan

Takashi Ishigaki

This inventor holds 14 USPTO granted patents and 4 published patent applications and 3 EPO patents. Top assignees: Hitachi, Ltd., Mitsubishi Electric Corporation, Renesas Electronics Corporation. Active years: 2012-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Ishigaki. Retrieved from https://idiyas.com/inventor/takashi-ishigaki

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

USPTO Granted Patents = 14 

% Patents Active = 42.9

 

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 75(Granted Patents)


Location History:

  • Hino, JP (2012 - 2016)
  • Tokyo, JP (2012 - 2023)

Company Filing History:


Years Active: 2012-2023

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14 patents (USPTO):Explore Patents

Title: The Innovative Mind of Takashi Ishigaki

Introduction

Takashi Ishigaki, an eminent inventor based in Hino, Japan, has made significant contributions to the field of refrigeration technology. With an impressive portfolio of 14 patents, Ishigaki has established himself as a thought leader within the industry, demonstrating a keen ability to innovate and improve upon existing technologies.

Latest Patents

Ishigaki's most recent patents showcase his expertise in compressor technologies. One of his notable inventions is a complex compressor designed for refrigerant compressing apparatus, which incorporates a unique compression mechanism coupled with an electromotive mechanism. This innovation allows for efficient refrigerant compression while maintaining an essential reservoir for storing a mixed liquid of refrigerant and refrigerating machine oil within a protective shell. Additionally, his scroll compressor patent demonstrates an advanced configuration where the first lap's winding angle exceeds that of the second lap, facilitating the creation of multiple compression chambers. This design also ensures varied injection flow rates, optimizing refrigerant distribution for enhanced performance.

Career Highlights

Throughout his career, Ishigaki has worked with prestigious organizations, including Hitachi, Ltd. and Mitsubishi Electric Corporation. His roles in these companies have allowed him to harness his innovative spirit and develop groundbreaking patents that address the challenges faced in refrigeration and compressor technologies.

Collaborations

Ishigaki has collaborated with talented colleagues in his field, including Ryuta Tsuchiya and Yusuke Morita. These partnerships have likely fostered a collaborative environment that encourages creativity and innovation, resulting in a succession of patents that continue to shape the industry.

Conclusion

Takashi Ishigaki stands out as a remarkable inventor whose contributions to compressor technology have made a lasting impact on the refrigeration industry. His continued innovation and collaboration with fellow professionals ensure that the future of refrigeration technology is bright, with new advancements on the horizon. With his wealth of patents and a career marked by innovation, Ishigaki is an inspiring figure for aspiring inventors and professionals in the field.

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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