Shigeki Iwanami

This inventor holds 59 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Hybrid Compressor Technology (CPC class 418 ). Top assignees: Denso Corporation, Nippon Soken, Inc., Nippondenso Co., Ltd.. Active years: 1986-2013.

USPTO Granted Patents = 59 (Patent Applications = 1)

% Patents Active = 49.2

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.7

ph-index = 14

Forward Citations = 624(Granted Patents)

Forward Citations (Not Self Cited) = 609(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nishio, JP (1987 - 1989)
Okazaki, JP (1986 - 2013)

Company Filing History:

Nippondenso Co., Ltd.

patents

4. 8 out of 1,343

Kabushiki Kaisha Toyoda Jidoshokki Seisakusho

patents

5. 8 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1986-2013

Loading Chart...

Areas of Expertise:

Hybrid Compressor

Oil Separator

Refrigerant Cycle

Scroll Compressor

Fluid Machine

Waste Heat Recovery

Automotive Air-Conditioning

Compressor Control

Thrust Bearing

Motor-Driven Compressor

Gas Compression

Complex Fluid Machine

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8590322 - Oil separator and refrigerant compressor having the same (2013-11-26),

2. 8096794 - Compressor with oil separation and storage (2012-01-17),

3. 8007262 - Compressor with thrust bearing having insular pressure- receiving portions on sliding surface and diamond-like carbon layer on another sliding surface (2011-08-30),

4. 7992400 - Refrigerating apparatus and fluid machine therefor (2011-08-09),

5. 7878777 - Scroll compressor having grooved thrust bearing (2011-02-01),

6. 7748226 - Waste heat utilizing system (2010-07-06),

7. 7553134 - Switch valve structure of fluid machine (2009-06-30),

8. 7458220 - Complex fluid machine (2008-12-02),

9. 7418824 - Refrigerating apparatus and fluid machine therefor (2008-09-02),

10. 7399167 - Fluid machine operable in both pump mode and motor mode and waste heat recovering system having the same (2008-07-15),

11. 7344364 - Fluid machine (2008-03-18),

12. 7314356 - Fluid machine (2008-01-01),

13. 7296427 - Hybrid compressor device for a vehicle (2007-11-20),

14. 7287583 - Air-conditioning apparatus including motor-driven compressor for idle stopping vehicles (2007-10-30),

15. 7281909 - Hybrid compressor system for refrigeration cycle system (2007-10-16),

Title: Shigeki Iwanami: Innovator in Refrigeration Technology

Introduction: Shigeki Iwanami is a prominent inventor based in Okazaki, Japan, renowned for his significant contributions to refrigeration technology. With an impressive portfolio of 59 patents, Iwanami's innovations showcase a deep understanding of mechanical engineering and thermodynamics.

Latest Patents: Among his latest patents, Iwanami has developed advanced designs for an oil separator and a refrigerant compressor. The oil separator features a unique construction that includes a separation cylinder and an inner cylinder, designed to separate oil from COrefrigerant effectively through centrifugal force. Additionally, his patented compressor incorporates an oil separator for precise oil separation and storage, ensuring enhanced efficiency and performance in refrigeration systems.

Career Highlights: Iwanami has had a distinguished career, having worked with industry-leading companies such as Denso Corporation and Nippon Soken, Inc. His expertise has played a critical role in advancing refrigeration technologies and improving the efficiency of cooling systems.

Collaborations: Throughout his career, Iwanami collaborated with talented individuals, including colleagues Keiichi Uno and Hironori Asa. These partnerships have fostered an environment of innovation and creativity within the field of refrigeration technology.

Conclusion: Shigeki Iwanami's expertise and innovative spirit continue to leave a lasting impact on the refrigeration industry. His impressive array of patents and collaborative efforts exemplify his commitment to advancing technology, making him a notable inventor in his field.