Company Filing History:

12 out of 19,697

Denso Corporation

patents

3 out of 36,499

Toyota Jidosha Kabushiki Kaisha

patents

1 out of 1,343

Kabushiki Kaisha Toyoda Jidoshokki Seisakusho

patents

where one patent can have more than one assignee

Years Active: 2003-2013

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8434316 - Compressor inlet pressure estimation apparatus for refrigeration cycle system (2013-05-07),

2. 8434315 - Compressor driving torque estimating apparatus (2013-05-07),

3. 8375736 - Refrigeration cycle apparatus (2013-02-19),

4. 8082745 - Refrigeration cycle system (2011-12-27),

5. 8042347 - Compressor inlet pressure estimation apparatus for refrigeration cycle system (2011-10-25),

6. 7836716 - Refrigerant cycle device and control system for vehicle (2010-11-23),

7. 7676331 - Torque estimating device of compressor (2010-03-09),

8. 7669647 - Air conditioning apparatus (2010-03-02),

9. 7207784 - Hybrid compressor and control device (2007-04-24),

10. 7025572 - Compressor with integral control unit (2006-04-11),

11. 6892549 - Vehicle air conditioner (2005-05-17),

12. 6715303 - Air conditioner for motor vehicles (2004-04-06),

13. 6694751 - Method of control of air-conditioning system driven by vehicle engine (2004-02-24),

14. 6519960 - Air conditioner (2003-02-18),

Title: Yasutane Hijikata: Innovator in Refrigeration Technology

Introduction

Yasutane Hijikata is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 14 patents. His innovative work has advanced the efficiency and functionality of refrigeration systems.

Latest Patents

Among his latest patents is the "Compressor Inlet Pressure Estimation Apparatus for Refrigeration Cycle System." This invention provides a method for estimating the refrigerant inlet pressure of a compressor, utilizing an electronic control unit that responds to commands from an air-conditioning switch. Another notable patent is the "Compressor Driving Torque Estimating Apparatus," designed for systems where a refrigerant is circulated by a compressor in vehicles. This device incorporates heat load detection and a storage unit that holds various estimated drive torque characteristics, allowing for precise calculations of the compressor's drive torque.

Career Highlights

Yasutane Hijikata has worked with notable companies such as Denso Corporation and Toyota Jidosha Kabushiki Kaisha. His experience in these leading automotive and technology firms has greatly influenced his innovative approach to refrigeration systems.

Collaborations

He has collaborated with esteemed colleagues, including Yoshikatsu Sawada and Kazuhito Miyagawa. Their combined expertise has contributed to the development of advanced technologies in the refrigeration sector.

Conclusion

Yasutane Hijikata's contributions to refrigeration technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to impact the efficiency of refrigeration systems in various applications.

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