Shizuoka, Japan

Isao Funayama

This inventor holds 4 USPTO granted patents and 2 EPO patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1993-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Funayama. Retrieved from https://idiyas.com/inventor/isao-funayama

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 5.8

ph-index = 3

Forward Citations = 34(Granted Patents)


Location History:

  • Shizuoka, JP (1993 - 1999)
  • Tokyo, JP (2004)

Company Filing History:


Years Active: 1993-2004

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4 patents (USPTO):Explore Patents

Title: Isao Funayama: Innovator in Air Conditioning Technology

Introduction

Isao Funayama is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of air conditioning technology, holding a total of 4 patents. His innovative designs have improved the efficiency and functionality of air conditioning systems.

Latest Patents

One of Funayama's latest patents is for an air conditioner that features an air blower, a front heat exchanger, and a rear heat exchanger. These components are strategically arranged to optimize heat exchange between indoor air and refrigerant. The design includes a rear drain pan to collect drained water and an air blower air path that enhances airflow efficiency. Additionally, the rear heat exchanger is inclined backward to improve performance. Another significant patent involves a refrigeration cycle that utilizes a cooling medium circuit, where the internal diameter of a down comer is adjusted to ensure that refrigerating machine oil does not interfere with the cooling medium flow.

Career Highlights

Throughout his career, Isao Funayama has worked with prominent companies such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in air conditioning technology.

Collaborations

Funayama has collaborated with notable coworkers, including Kazuaki Isono and Toshihiro Tanaka. Their teamwork has contributed to the advancement of air conditioning solutions and has fostered a creative environment for innovation.

Conclusion

Isao Funayama's contributions to air conditioning technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the industry and improve the efficiency 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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