Aichi, Japan

Tetuzou Ukai

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Mitsubishi Heavy Industries Limited. Active years: 1994-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetuzou Ukai. Retrieved from https://idiyas.com/inventor/tetuzou-ukai

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 = 2.6

ph-index = 5

Forward Citations = 106(Granted Patents)


Company Filing History:


Years Active: 1994-2012

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7 patents (USPTO):Explore Patents

Title: The Innovations of Tetuzou Ukai

Introduction

Tetuzou Ukai is a prominent inventor based in Aichi, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced compressor technologies. With a total of seven patents to his name, Ukai's work has had a lasting impact on the industry.

Latest Patents

One of Ukai's latest patents is a scroll compressor designed to prevent performance deterioration and variation due to gas leakage. This innovative compressor is configured for three-dimensional compression in both the circumferential and height directions of spiral wraps. The design includes step portions on the top and bottom surfaces of the spiral wraps, with the wrap height on the outer peripheral side of the step portion being higher than that on the inner peripheral side. Additionally, back-pressure introducing portions are formed to enhance the efficiency of the compressor. Another notable patent is a scroll type compressor featuring a discharge valve retainer with a back pressure port, which includes a check valve that operates in a vertical direction to optimize performance.

Career Highlights

Throughout his career, Tetuzou Ukai has worked with several prestigious companies, including Mitsubishi Jukogyo Kabushiki Kaisha and Mitsubishi Heavy Industries Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in compressor technology.

Collaborations

Ukai has collaborated with notable coworkers such as Kimiharu Takeda and Masumi Sekita. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of advanced technologies in their field.

Conclusion

Tetuzou Ukai's contributions to the field of engineering, particularly in compressor technology, have established him as a leading inventor. His innovative patents and collaborations with esteemed colleagues highlight his commitment to advancing the industry.

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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