Toyoake, Japan

Yashumitsu Tsukiyama

This inventor holds 1 USPTO granted patent. Top assignee: Hoshizaki Electric Co., Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yashumitsu Tsukiyama. Retrieved from https://idiyas.com/inventor/yashumitsu-tsukiyama

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 = 3.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Yashumitsu Tsukiyama: Innovator in Ice Making Technology

Introduction

Yashumitsu Tsukiyama is a notable inventor based in Toyoake, Japan. He has made significant contributions to the field of refrigeration technology, particularly with his innovative designs for ice making machines. His work has led to advancements that enhance efficiency and functionality in ice production.

Latest Patents

One of Tsukiyama's key inventions is the auger-type ice making machine. This machine features a refrigerating cylinder equipped with upper and lower bearings, which support a rotatable auger. The design includes a water supply valve for introducing water into the refrigerating cylinder and a drain valve for discharging water. An electric detector assembly is integrated into the system, which includes an electrode member that extends into the refrigerating cylinder. This assembly is connected to an electric control circuit that monitors the impurity concentration of the water. When the concentration exceeds a predetermined level, the control circuit automatically interrupts the water supply and discharges the contaminated water, ensuring the quality of the ice produced. Tsukiyama holds 1 patent for this innovative machine.

Career Highlights

Yashumitsu Tsukiyama is associated with Hoshizaki Electric Co., Ltd., a company renowned for its refrigeration and ice-making equipment. His role at the company has allowed him to focus on developing cutting-edge technologies that improve ice production processes. His contributions have been instrumental in enhancing the efficiency and reliability of ice-making machines.

Collaborations

Tsukiyama has worked alongside talented colleagues such as Yoshikazu Kito and Susumu Tatematsu. Their collaborative efforts have fostered an environment of innovation and creativity, leading to advancements in refrigeration technology.

Conclusion

Yashumitsu Tsukiyama is a prominent figure in the field of ice making technology, with his auger-type ice making machine representing a significant advancement in the industry. His work continues to influence the efficiency and quality of ice production, showcasing the importance of innovation in this 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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