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For the Inventor, By the Inventor

Kawasaki, Japan

Takao Kawashima

This inventor holds 5 USPTO granted patents. Top assignee: Matsushita Refrigeration Company. Active years: 1995-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Kawashima. Retrieved from https://idiyas.com/inventor/takao-kawashima

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 2

Forward Citations = 16(Granted Patents)


Company Filing History:

goldMedal5 out of 123 
 
Matsushita Refrigeration Company
 patents

Years Active: 1995-1997

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5 patents (USPTO):Explore Patents
1. 5687582 - Refrigeration system fluid tube seal (1997-11-18),
2. 5606867 - Refrigeration system fluid tube seal (1997-03-04),
3. 5577391 - Refrigeration system (1996-11-26),
4. 5562427 - Filter arrangement for a refrigerant compressor (1996-10-08),
5. 5402655 - Refrigerant compressor and refrigeration system incorporating same (1995-04-04),

Title: Takao Kawashima: Innovator in Refrigeration Technology

Introduction

Takao Kawashima is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 5 patents. His innovative designs focus on enhancing the efficiency and reliability of refrigeration systems.

Latest Patents

One of Kawashima's latest patents is a refrigeration system fluid tube seal. This invention utilizes a refrigerant, primarily hydrocarbon or HFC-152a, to create a hermetic connection between a fluid tube and a refrigerant flow passage. The design includes a pinched portion and a squashed portion that effectively seals against refrigerant leakage. The squashed portion can be folded at multiple points to improve the sealing effect. Additionally, an adhesive or elastomer may be employed to further reinforce the sealing capabilities of the pinched portion.

Career Highlights

Throughout his career, Takao Kawashima has worked with prominent companies in the refrigeration industry, including Matsushita Refrigeration Company and Matsushita Refrigerator Company. His experience in these organizations has allowed him to develop and refine his innovative ideas in refrigeration technology.

Collaborations

Kawashima has collaborated with several talented individuals in his field, including Masao Mangyo and Yuji Mori. Their combined expertise has contributed to the advancement of refrigeration technologies.

Conclusion

Takao Kawashima's work in refrigeration technology exemplifies innovation and dedication. His patents reflect a commitment to improving the efficiency and reliability of refrigeration systems.

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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