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For the Inventor, By the Inventor

Kyoto, Japan

Keizo Narita

This inventor holds 5 USPTO granted patents. Top assignee: Nishimura Seisakusho Co.. Active years: 1976-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keizo Narita. Retrieved from https://idiyas.com/inventor/keizo-narita

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 31(Granted Patents)


Location History:

  • Kyoto, J (1976)
  • Kyoto, JA (1977)
  • Fushimi-ku, JP (1997)
  • Kyoto, JP (1999 - 2008)

Company Filing History:

goldMedal5 out of 11 
 
Nishimura Seisakusho Co.
 patents

Years Active: 1976-2008

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5 patents (USPTO):Explore Patents
1. 7380745 - Winding device of slitter (2008-06-03),
2. 5863011 - Core securing device in web winding apparatus (1999-01-26),
3. 5653400 - Winding apparatus (1997-08-05),
4. 4055313 - Apparatus for exchanging rewound rolls in a roll slitting and rewinding (1977-10-25),
5. 3997387 - Apparatus for applying leading tips to a continuous sheet material and (1976-12-14),

Title: Keizo Narita: Innovator in Winding Technology

Introduction

Keizo Narita is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of winding technology, particularly in the manufacturing processes involving web materials. With a total of 5 patents to his name, Narita's innovations have enhanced the efficiency and effectiveness of winding devices.

Latest Patents

One of Narita's latest patents is the "Winding Device of Slitter." This invention allows for the precise winding of web material on a winding shaft, which is supported between a pair of side plates after the material is slit. The design includes two divided shafts that are positioned end to end, supported by an intermediate member. This configuration enables accurate winding, even for wider web materials, and facilitates easy separation of the wound product from the winding shaft.

Another notable patent is the "Core Securing Device in Web Winding Apparatus." This apparatus is designed for winding web materials, such as paper or plastic film, around a hollow core. The core is fixed between a pair of shafts that are aligned and spaced apart. The innovative design includes annular slides that allow for axial movement and tapered surfaces that engage with tips to secure the core. This mechanism ensures that the core is firmly held during the winding process, enhancing the overall efficiency of the operation.

Career Highlights

Keizo Narita is associated with Nishimura Seisakusho Co., a company known for its advancements in manufacturing technology. His work has significantly impacted the industry, leading to improved processes and products.

Collaborations

Narita has collaborated with notable coworkers, including Yasunari Kamikubo and Toshiaki Yamaguchi. Their combined expertise has contributed to the development of innovative solutions in winding technology.

Conclusion

Keizo Narita's contributions to winding technology through his patents and collaborations have established him as a key figure in the field. His inventions continue to influence manufacturing processes, showcasing the importance of innovation in industry.

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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