IDiyas

For the Inventor, By the Inventor

Kariya, Japan

Tetsuji Nobuta

USPTO Granted Patents = 13

Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 187(Granted Patents)


Company Filing History:

goldMedal13 out of 19,697 
 
Denso Corporation
 patents

Years Active: 1998-2006

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13 patents (USPTO):
1. 7096930 - Heat exchanger for refrigerant cycle (2006-08-29),
2. 6698235 - Refrigerant cycle system having discharge function of gas refrigerant in receiver (2004-03-02),
3. 6681582 - Vapor compression type refrigeration apparatus including leak detection and method for detecting refrigerant leaks (2004-01-27),
4. 6530239 - Refrigeration system (2003-03-11),
5. 6477858 - Refrigeration cycle apparatus (2002-11-12),
6. 6397627 - Receiver-integrated condenser (2002-06-04),
7. 6374632 - Receiver and refrigerant cycle system (2002-04-23),
8. 6341647 - Separator-integrated condenser for vehicle air conditioner (2002-01-29),
9. 6192838 - Engine cooling apparatus (2001-02-27),
10. 6016662 - Vehicular air conditioning apparatus for effectively cooling a main (2000-01-25),
11. 5927102 - Receiver-integrated condenser for refrigerating system (1999-07-27),
12. 5875650 - Refrigerant condenser including super-cooling portion (1999-03-02),
13. 5713213 - Refrigeration cycle device having accurate refrigerant deficiency (1998-02-03),

Title: Innovations by Inventor Tetsuji Nobuta

Introduction

Tetsuji Nobuta is a prominent inventor based in Kariya, Japan, who has made significant contributions to the field of refrigeration technology. With a notable portfolio of 13 patents, his work reflects a deep commitment to enhancing the efficiency and effectiveness of refrigerant systems.

Latest Patents

Among his latest inventions, Tetsuji Nobuta developed a revolutionary heat exchanger for refrigerant cycles. This invention features a throttle portion strategically positioned within one of the two header tanks in a condenser. This design allows for the decompression of the refrigerant while promoting a meandering flow, ensuring a sufficient mixture of refrigerants in the downstream space. This innovation effectively minimizes the discharge of refrigerants in a gas-liquid two-phase state, improving overall system efficiency.

Additionally, his research led to the creation of a refrigerant cycle system with a discharge function specifically for gas refrigerants in receivers. This system comprises a condenser that condenses refrigerant from a compressor and a receiver that segregates the gas and liquid refrigerants. The design facilitates the flow of refrigerant through strategically placed communication holes, allowing for effective discharge of liquid refrigerant while also recognizing the need for the gas refrigerant to be directed with minimal losses.

Career Highlights

Tetsuji Nobuta is currently associated with Denso Corporation, a company renowned for its advancements in automotive technology and climate control systems. His trajectory within this organization highlights his dedication to innovation and continuous improvement in refrigerant cycle systems.

Collaborations

Throughout his career, Nobuta has collaborated with talented colleagues such as Hiroki Matsuo and Hikaru Sugi. Their collective efforts have propelled advancements in their projects and fostered a work environment rich in creativity and innovation.

Conclusion

Tetsuji Nobuta's contributions to the refrigeration and climate control industry exemplify the essence of innovation. With his 13 patents, including groundbreaking advancements in refrigerant systems, he continues to be a significant figure in the engineering community, driving progress and efficiency in modern refrigeration technology.

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