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For the Inventor, By the Inventor

Kanagawa, Japan

Kiyoshi Kandatsu

This inventor holds 10 USPTO granted patents. Top assignee: Fuji Electric Co., Ltd.. Active years: 1981-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Kandatsu. Retrieved from https://idiyas.com/inventor/kiyoshi-kandatsu

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 7

Forward Citations = 118(Granted Patents)


Location History:

  • Kawasaki, JP (1981)
  • Saitama, JP (1986)
  • Okabe, JP (1987)
  • Kanagawa, JP (1989 - 1993)

Company Filing History:

goldMedal10 out of 4,826 
 
Fuji Electric Co., Ltd.
 patents

Years Active: 1981-1993

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10 patents (USPTO):Explore Patents
1. 5199553 - Sliding contactor for electric equipment (1993-04-06),
2. 5023416 - Circuit breaker (1991-06-11),
3. 4945326 - Circuit breaker (1990-07-31),
4. 4880948 - Contactor device for circuit breaker (1989-11-14),
5. 4864261 - Contactor device fo circuit breaker (1989-09-05),
6. 4853662 - Contactor apparatus (1989-08-01),
7. 4635012 - Contactor structure of circuit breaker (1987-01-06),
8. 4622444 - Circuit breaker housing and attachment box (1986-11-11),
9. 4600908 - Circuit breaker (1986-07-15),
10. 4278958 - Electromagnetically operated multi-pole circuit breaker (1981-07-14),

Title: Kiyoshi Kandatsu: Innovator in Electrical Engineering

Introduction

Kiyoshi Kandatsu is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrical engineering, holding a total of 10 patents. His innovative designs focus on enhancing the efficiency and reliability of electrical equipment.

Latest Patents

Among his latest patents is a sliding contactor for electric equipment. This invention features a movable electrical contactor that maintains a slidable contact with a mating conductor. The surface of the contactor is coated with a composite material that includes dispersed graphite particles within a silver matrix. The coating is formed through electric plating, utilizing a specific concentration of metal silver, potassium cyanide, potassium hydroxide, graphite powder, and a dispersant. Another notable patent is a circuit breaker that incorporates a movable contactor held by an electrically insulating holder. This holder is rotatably supported on a casing via a switching shaft, allowing the movable contactor to perform switching operations effectively.

Career Highlights

Kiyoshi Kandatsu has dedicated his career to advancing electrical technologies. His work at Fuji Electric Co., Ltd. has positioned him as a key player in the development of innovative electrical solutions. His patents reflect a deep understanding of electrical systems and a commitment to improving their functionality.

Collaborations

Kiyoshi has collaborated with notable coworkers, including Naoshi Uchida and Hisaji Shinohara. Their combined expertise has contributed to the successful development of various electrical innovations.

Conclusion

Kiyoshi Kandatsu's contributions to electrical engineering through his patents and collaborative efforts highlight his role as a leading inventor in the industry. His work continues to influence advancements in electrical equipment design and functionality.

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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