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For the Inventor, By the Inventor

Isesaki, Japan

Masaaki Fujita

This inventor holds 9 USPTO granted patents. Top assignee: Sanden Corporation. Active years: 1997-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Fujita. Retrieved from https://idiyas.com/inventor/masaaki-fujita

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 101(Granted Patents)


Company Filing History:

goldMedal9 out of 1,043 
 
Sanden Corporation
 patents

Years Active: 1997-2003

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9 patents (USPTO):Explore Patents
1. 6520751 - Variable displacement compressor having a noise reducing valve assembly (2003-02-18),
2. D463453 - Compressor for air conditioners of vehicles (2002-09-25),
3. D462700 - Compressor for air conditioners for vehicles (2002-09-11),
4. D462364 - Compressor for air conditioners of vehicles (2002-09-04),
5. D460521 - Control valve for a refrigerant compressor (2002-07-17),
6. 6336392 - Compressor which can be easily and efficiently assembled by facilitating adjustment of an axial clearance of a shaft (2002-01-08),
7. 6321635 - Swash plate type compressor in which lubricating oil is effectively supplied to a shoe mechanism interposed between a piston and a swash plate (2001-11-27),
8. 6102669 - Variable displacement compressor (2000-08-15),
9. 5660538 - Suction mechanism of a fluid displacement apparatus (1997-08-26),

Title: Masaaki Fujita: Innovator in Compressor Technology

Introduction

Masaaki Fujita is a prominent inventor based in Isesaki, Japan. He has made significant contributions to the field of compressor technology, holding a total of nine patents. His work primarily focuses on enhancing the efficiency and functionality of variable displacement compressors.

Latest Patents

Among his latest innovations is a variable displacement compressor featuring a noise-reducing valve assembly. This invention involves a valve body that is movably placed adjacent to a main channel, which connects a suction port with a suction chamber. The valve body is designed to variably control the opening area of the main channel, while a fluid damper is coupled to the valve body to dampen vibrations. Additionally, a bypass channel is formed outside of the air damper to facilitate communication between the suction port and the suction chamber. Another notable patent is a compressor specifically designed for air conditioners in vehicles, showcasing his expertise in automotive applications.

Career Highlights

Masaaki Fujita is currently employed at Sanden Corporation, a company renowned for its innovative automotive air conditioning systems. His role at Sanden has allowed him to apply his inventive skills to real-world applications, contributing to advancements in vehicle comfort and efficiency.

Collaborations

Throughout his career, Masaaki has collaborated with talented individuals such as Masato Ogiwara and Masayoshi Tsukagoshi. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Masaaki Fujita's contributions to compressor technology have made a significant impact in the automotive industry. His innovative patents and collaborative efforts continue to drive advancements in this essential field.

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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