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For the Inventor, By the Inventor

Yamada-gun, Japan

Kenji Hashimoto

This inventor holds 8 USPTO granted patents. Top assignee: Sanden Corporation. Active years: 1987-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hashimoto. Retrieved from https://idiyas.com/inventor/kenji-hashimoto-urj2gcsj

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

USPTO Granted Patents = 8

% Patents Active = 75.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 69(Granted Patents)


Location History:

  • Isesaki, JP (1987)
  • Yamada-gun, JP (1996 - 1998)
  • Gunma, JP (2002)

Company Filing History:

goldMedal8 out of 1,043 
 
Sanden Corporation
 patents

Years Active: 1987-2002

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8 patents (USPTO):Explore Patents
1. 6468050 - Cylinder head assembly including partitions disposed in refrigerant introduction path and reciprocating compressor using the same (2002-10-22),
2. 6382939 - Reciprocating compressor in which a suction valve is previously bent to open a suction port when the compressor is stopped (2002-05-07),
3. 5848882 - Valved discharge mechanism of a fluid displacement apparatus (1998-12-15),
4. 5655898 - Reed valve arrangement for a reciprocating compressor (1997-08-12),
5. 5647395 - Valved discharge mechanism of a fluid displacement apparatus (1997-07-15),
6. 5632609 - Valved discharge mechanism of a refrigerant compressor (1997-05-27),
7. 5586874 - Reed valve arrangement for a reciprocating compressor (1996-12-24),
8. 4698970 - Stirling cycle type engine (1987-10-13),

Title: Kenji Hashimoto: Innovator in Compressor Technology

Introduction

Kenji Hashimoto is a prominent inventor based in Yamada-gun, Japan. He has made significant contributions to the field of compressor technology, holding a total of eight patents. His innovative designs have advanced the efficiency and functionality of reciprocating compressors.

Latest Patents

Among his latest patents, Hashimoto has developed a cylinder head assembly that includes partitions disposed in the refrigerant introduction path. This design enhances the performance of reciprocating compressors by allowing for better gas introduction into the respective bores. Another notable patent involves a unique suction valve that is bent to open a suction port when the compressor is stopped, which improves the compressor's operation by reducing pulsation during the reciprocating movement of the piston.

Career Highlights

Hashimoto is currently employed at Sanden Corporation, where he continues to innovate and improve compressor technologies. His work has been instrumental in the development of more efficient and reliable compressor systems, which are essential in various applications.

Collaborations

Throughout his career, Hashimoto has collaborated with talented individuals such as Yoshito Matsumura and Atsushi Mabe. These collaborations have fostered a creative environment that has led to the successful development of advanced technologies in the field.

Conclusion

Kenji Hashimoto's contributions to compressor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the design and efficiency of modern compressors, making a lasting impact on the 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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