Toyoake, Japan

Hideji Ohta

This inventor holds 4 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents. Top assignees: Hoshizaki Denki Kabushiki Kaisha, Hoshizaki Electric Co., Ltd.. Active years: 1989-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideji Ohta. Retrieved from https://idiyas.com/inventor/hideji-ohta

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

USPTO Granted Patents = 4 

% Patents Active = 100.0


 

Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 41(Granted Patents)


Location History:

  • Nagoya, JP (1991)
  • Toyoake, JP (1989 - 2014)

Company Filing History:


Years Active: 1989-2014

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4 patents (USPTO):Explore Patents

Title: **Innovative Mind: The Inventions of Hideji Ohta**

Introduction

Hideji Ohta, an accomplished inventor based in Toyoake, Japan, has made significant contributions to the field of ice-making technology. With a total of four patents to his name, his innovative approaches have enhanced the efficiency and effectiveness of ice-making machines, catering primarily to food service and commercial refrigeration industries.

Latest Patents

Among his latest patents, one notable invention is a **Method of Operating an Ice Making Machine**. This method efficiently provides clean ice blocks through a special water-discharge operation. When the ice storage switch in the chamber detects that it is full, the ice-making water is discharged from the tank via a water discharge valve. This process is finely tuned to ensure an effective ice production cycle.

Another significant patent from Ohta is the **Refrigeration System in an Ice Making Machine**. This sophisticated system integrates an evaporator coil connected to a refrigeration compressor and enhances functionality with an expansion valve and a bypass line. This system optimizes the refrigeration process, contributing to energy efficiency and improved operational reliability in ice production.

Career Highlights

Hideji Ohta has collaborated with notable companies throughout his career, including Hoshizaki Denki Kabushiki Kaisha and Hoshizaki Electric Co., Ltd. His work in these organizations has allowed him to refine his inventions and drive advancements in ice-making technologies.

Collaborations

During his professional journey, Ohta has worked alongside skilled colleagues such as Kazuhiro Yoshida and Tadashi Sakai. These collaborations have fostered a creative environment and led to the development of innovative solutions in their field.

Conclusion

Hideji Ohta continues to be a prominent figure in the realm of ice-making technology. His inventive spirit and technological expertise have resulted in significant advancements that ensure efficient and clean ice production. As his career progresses, the innovations developed by Ohta will undoubtedly leave a lasting impact on 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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