Inuyama, Japan

Eiichi Daikai

This inventor holds 10 USPTO granted patents and 1 published patent application. Top assignees: Tokai Rubber Industries, Ltd., Other. Active years: 1998-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiichi Daikai. Retrieved from https://idiyas.com/inventor/eiichi-daikai

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 = 70.0

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Inuyama, JP (1998 - 2005)
  • Nagoya, JP (2007)
  • Komaki, JP (2014)

Company Filing History:


Years Active: 1998-2014

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10 patents (USPTO):Explore Patents

Title: Eiichi Daikai: Innovator in Hose Technology

Introduction

Eiichi Daikai is a prominent inventor based in Inuyama, Japan. He has made significant contributions to the field of hose technology, holding a total of 10 patents. His innovative designs focus on enhancing the performance and durability of hoses used in various applications.

Latest Patents

Among his latest patents, the refrigerant-transporting hose stands out. This hose features a tubular inner layer that is in contact with a fluorine refrigerant. It includes an intermediate layer formed on its outer periphery and at least one rubber layer on a further outer periphery. The inner layer is made from a material that includes maleic anhydride-modified polypropylene as a main component, while the intermediate layer consists of polyamide resin. Another notable patent is the high-pressure resistant hose. This hose has a multilayered construction that includes an inner surface layer, a reinforcing layer, and an outer surface layer. It maintains uniform inner diameter, outer diameter, and wall thickness throughout its entire length. The design incorporates a diametrically expanded longitudinal end portion and features a small diameter main portion, a large diameter swaged portion, and a tapered portion.

Career Highlights

Eiichi Daikai has worked with Tokai Rubber Industries, Ltd., where he has applied his expertise in hose technology. His work has contributed to advancements in the industry, particularly in the development of high-performance hoses.

Collaborations

Throughout his career, Daikai has collaborated with notable coworkers such as Koji Senda and Ayumu Ikemoto. Their combined efforts have led to innovative solutions in hose design and functionality.

Conclusion

Eiichi Daikai's contributions to hose technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry and improve the performance of hoses used in various applications.

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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