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For the Inventor, By the Inventor

Higashimatsuyama, Japan

Kazuo Eitai

This inventor holds 7 USPTO granted patents. Top assignee: Zexel Gmbh. Active years: 1996-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Eitai. Retrieved from https://idiyas.com/inventor/kazuo-eitai-2q3u6p0z

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 48(Granted Patents)


Location History:

  • Saitama-ken, JP (1996 - 1998)
  • Kounan-machi, JP (1997 - 1998)
  • Higashimatsuyama, JP (1999)

Company Filing History:

goldMedal7 out of 382 
 
Zexel Gmbh
 patents

Years Active: 1996-1999

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7 patents (USPTO):Explore Patents
1. 5997257 - Refrigerant compressor (1999-12-07),
2. 5953979 - Variable capacity wobble plate compressor (1999-09-21),
3. 5947002 - Variable capacity wobble plate compressor (1999-09-07),
4. 5839347 - Wobble plate compressor with swash plate guide member (1998-11-24),
5. 5800137 - Refrigerating compressor with breakaway pulley portion (1998-09-01),
6. 5660097 - Hinge ball for variable capacity wobble plate compressors and hardening (1997-08-26),
7. 5582092 - Full stroke position setting mechanism for variable capacity wobble (1996-12-10),

Title: Kazuo Eitai: Innovator in Refrigeration Technology

Introduction

Kazuo Eitai is a prominent inventor based in Higashimatsuyama, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 7 patents. His innovative designs have advanced the efficiency and functionality of refrigerant compressors.

Latest Patents

Eitai's latest patents include a refrigerant compressor that features a first high-pressure chamber formed in the rear head and a second high-pressure chamber on the outer peripheral surface of the cylinder block. This design incorporates a discharge passage that communicates between the two chambers, enhancing the compressor's performance. Another notable invention is the variable capacity wobble plate compressor, which utilizes a unique spring mechanism to adjust the compressor's capacity based on operational needs. This innovation allows for greater efficiency and adaptability in various applications.

Career Highlights

Kazuo Eitai is currently employed at Zexel GmbH, where he continues to develop cutting-edge refrigeration technologies. His work has been instrumental in improving the design and functionality of compressors, making them more efficient and reliable.

Collaborations

Eitai has collaborated with notable colleagues such as Minoru Kanaizuka and Hiroyuki Ishida. Their combined expertise has contributed to the successful development of innovative refrigeration solutions.

Conclusion

Kazuo Eitai's contributions to refrigeration technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the efficiency and effectiveness of refrigeration systems worldwide.

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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