Shiga, Japan

Keiko Oyabu

This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2000-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiko Oyabu. Retrieved from https://idiyas.com/inventor/keiko-oyabu

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 = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Yasu-gun, JP (2000)
  • Shiga-ken, JP (2001)

Company Filing History:


Years Active: 2000-2001

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2 patents (USPTO):Explore Patents

Title: Keiko Oyabu: Innovator in Air Conditioning Technology

Introduction

Keiko Oyabu is a notable inventor based in Shiga, Japan. She has made significant contributions to the field of air conditioning technology, holding a total of 2 patents. Her work focuses on improving the efficiency and reliability of air conditioning systems.

Latest Patents

One of her latest patents involves a separate type air conditioner. This innovation addresses the issue of fins in an indoor heat exchanger being deflected and deformed during transport due to external forces. The design includes an indoor unit with an air intake port, a bent indoor heat exchanger, an indoor fan, and an air blow-off port. The outdoor unit comprises an outdoor air intake port, an outdoor heat exchanger, an outdoor fan, a compressor, and connecting pipes and wires. A spacer is strategically placed on the bent portion of the indoor heat exchanger, featuring protruding faces that prevent deformation of the fins.

Career Highlights

Keiko Oyabu is currently employed at Matsushita Electric Industrial Co., Ltd., where she continues to innovate in the air conditioning sector. Her work has been instrumental in enhancing the performance and durability of air conditioning units.

Collaborations

Throughout her career, Keiko has collaborated with talented coworkers, including Taii Tsuji and Masami Hayashi. These partnerships have fostered a creative environment that encourages innovation and problem-solving.

Conclusion

Keiko Oyabu's contributions to air conditioning technology exemplify her dedication to innovation and improvement in the industry. Her patents reflect her commitment to enhancing the functionality and reliability of air conditioning 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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