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For the Inventor, By the Inventor

Tokyo, Japan

Tetsuhide Yokoyama

This inventor holds 11 USPTO granted patents and 3 published patent applications and 8 EPO patents. Top assignees: Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuhide Yokoyama. Retrieved from https://idiyas.com/inventor/tetsuhide-yokoyama

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

USPTO Granted Patents = 11 

% Patents Active = 54.5

 

Average Co-Inventor Count = 7.1

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • Tokyo, JP (2001 - 2015)
  • Chiyoda-ku, JP (2017 - 2019)

Company Filing History:

goldMedal10 out of 16,602 
 
Mitsubishi Electric Corporation
 patents
silverMedal1 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents

Years Active: 2001-2019

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11 patents (USPTO):Explore Patents
1. 10473367 - Heat pump apparatus (2019-11-12),
2. 9885357 - Hermetic compressor and vapor compression-type refrigeration cycle device including the hermetic compressor (2018-02-06),
3. 9879676 - Multi-cylinder rotary compressor and vapor compression refrigeration cycle system including the multi-cylinder rotary compressor (2018-01-30),
4. 9541310 - Sealed compressor and vapor compression refrigeration cycle apparatus including the sealed compressor (2017-01-10),
5. 9127675 - Vane compressor with vane aligners (2015-09-08),
6. 9115716 - Vane compressor with vane aligners (2015-08-25),
7. 9011121 - Refrigerant compressor and heat pump apparatus (2015-04-21),
8. 8790097 - Refrigerant compressor and heat pump apparatus (2014-07-29),
9. 8753098 - Refrigerant compressor (2014-06-17),
10. 8602760 - Vane compressor (2013-12-10),
11. 6187472 - Thin battery (2001-02-13),

Title: Tetsuhide Yokoyama: Innovator in Heat Pump Technology

Introduction

Tetsuhide Yokoyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of heat pump technology, holding a total of 11 patents. His innovative designs have advanced the efficiency and functionality of heat pump systems.

Latest Patents

Yokoyama's latest patents include a heat pump apparatus that features a two-cylinder compressor. This compressor is equipped with an electric motor and two compression units that can operate in either single or parallel modes. The apparatus also includes an inverter drive control device and a capacity control device that optimizes the temperature of the target object. Another notable patent is for a hermetic compressor that incorporates a rotary pressure increasing mechanism and a discharge pipe for efficient refrigerant flow.

Career Highlights

Throughout his career, Tetsuhide Yokoyama has worked with leading companies in the industry, including Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His work has been instrumental in developing advanced refrigeration technologies that are widely used today.

Collaborations

Yokoyama has collaborated with notable colleagues such as Hideaki Maeyama and Shin Sekiya. These partnerships have fostered innovation and have contributed to the success of various projects in the field of heat pump technology.

Conclusion

Tetsuhide Yokoyama's contributions to heat pump technology and his impressive portfolio of patents highlight his role as a leading inventor in the industry. His work continues to influence advancements in energy-efficient 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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