Chigasaki, Japan

Takashi Koyama

This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Refrigeration Company. Active years: 1994-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Koyama. Retrieved from https://idiyas.com/inventor/takashi-koyama-oo0nlpce

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 6.5

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1994-1995

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2 patents (USPTO):Explore Patents

Title: The Inventive Spirit of Takashi Koyama: Pioneering Innovation in Hermetic Compressors

Introduction: Takashi Koyama, a remarkable inventor based in Chigasaki, JP, has made significant contributions to the world of invention. With a total of 2 patents under his belt, Koyama's work in the field of hermetic compressors has pushed the boundaries of what is possible in refrigeration technologies.

Latest Patents: Koyama's latest patents focus on hermetic compressors. The first patent details a compressor equipped with a compressing unit and a motor section encased in a closed vessel. Springs support the components, and balance weights are strategically positioned to manage the load distribution and optimize performance. The second patent describes a hermetic compressor with a sealed casing, a compressing unit, and a driving unit for compressing refrigerant efficiently.

Career Highlights: Takashi Koyama is a valued member of Matsushita Refrigeration Company, where his innovative work has significantly influenced the development of cutting-edge refrigeration technologies. His expertise in hermetic compressors has not only improved product efficiency but has also set new industry standards for performance and reliability.

Collaborations: Koyama's success in the field of invention is also attributed to his collaborations with esteemed colleagues such as Takao Yoshimura and Hironari Akashi. Working together, they have leveraged their collective expertise to drive forward new ideas and advancements in hermetic compressor technology.

Conclusion: Takashi Koyama's dedication to innovation and his pioneering work in the realm of hermetic compressors have left an indelible mark on the industry. His inventive spirit and commitment to excellence continue to inspire future generations of inventors, shaping the world we live in.

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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