Osaka, Japan

Tadashi Okada

This inventor holds 8 USPTO granted patents and 2 published patent applications and 7 EPO patents. Top assignees: Daikin Industries, Ltd., Uacj Corporation. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Okada. Retrieved from https://idiyas.com/inventor/tadashi-okada-7lg8vlr1

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 87.5

 

Average Co-Inventor Count = 1.4

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2013-2025

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8 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tadashi Okada

Introduction

Tadashi Okada is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of engineering, particularly in the development of screw compressors and refrigeration technology. With a total of 8 patents to his name, Okada's work has had a lasting impact on the industry.

Latest Patents

One of Okada's latest patents is for a screw compressor and refrigeration apparatus. This innovative design includes a casing and a screw rotor that is rotationally driven. The gate rotor assembly, which rotates with the screw rotor, features a gate rotor with multiple flat plate-shaped gates that mesh with the helical groove of the screw rotor. Additionally, the assembly includes first and second support members made of metal, designed to support the gates from both the back and front surfaces. Another notable patent is a method for manufacturing a screw rotor. This method involves forming a plurality of helical grooves in a cylindrical workpiece, which are then finished through a precise cutting process.

Career Highlights

Throughout his career, Tadashi Okada has worked with several notable companies, including Daikin Industries, Ltd. and UACJ Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Okada has collaborated with talented individuals in his field, including Harunori Miyamura and Takayuki Takahashi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tadashi Okada's contributions to the field of engineering, particularly in screw compressor technology, highlight his innovative spirit and dedication to advancing the industry. His patents and collaborations reflect a commitment to excellence and a passion for invention.

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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