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For the Inventor, By the Inventor

Osaka, Japan

Hiroyuki Amatsutsu

This inventor holds 8 USPTO granted patents. Top assignee: Totaku Industries, Inc.. Active years: 1998-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Amatsutsu. Retrieved from https://idiyas.com/inventor/hiroyuki-amatsutsu

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 = 87.5

Average Co-Inventor Count = 1.4

ph-index = 7

Forward Citations = 129(Granted Patents)


Location History:

  • Osaka, JP (1998 - 2002)
  • Takatsuki, JP (2002)

Company Filing History:

goldMedal8 out of 34 
 
Totaku Industries, Inc.
 patents

Years Active: 1998-2002

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8 patents (USPTO):Explore Patents
1. 6398270 - Corrugated pipe joint (2002-06-04),
2. 6347646 - Flexible hose (2002-02-19),
3. 6340181 - Bellmouth with joint block body with the bellmouth and hand hole with the bellmouth (2002-01-22),
4. 6338507 - Synthetic resin pipe with joint (2002-01-15),
5. 6237969 - Connector for connecting spirally corrugated pipe to wall (2001-05-29),
6. 6007110 - Bell mouth for annularly corrugated pipe (1999-12-28),
7. 5950369 - Connecting tubular body for handhole or manhole, block body for the (1999-09-14),
8. 5832960 - Wire harness protector (1998-11-10),

Title: Innovations by Hiroyuki Amatsutsu

Introduction

Hiroyuki Amatsutsu is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of engineering, particularly in the development of innovative piping solutions. With a total of 8 patents to his name, Amatsutsu continues to push the boundaries of technology.

Latest Patents

Among his latest inventions is the "Corrugated Pipe Joint." This innovative joint is designed for coupling corrugated pipes and includes at least two joint components. Each component features a joint main body made of synthetic resin, which includes an arc-shaped portion and tightening projecting edges. These edges are outwardly projected from the circumferential end portions of the arc-shaped portion, ensuring a secure fit. Additionally, the joint incorporates a watertightness-implementing packing made of elastic material, which enhances its functionality.

Another significant invention is the "Flexible Hose." This hose is designed to provide sufficient strength while ensuring air permeability. It is formed by winding a soft resin tape helically, allowing for overlapping leading and trailing tape end brim portions. This design creates gaps for ventilation, enabling communication between the inside and outside of the hose.

Career Highlights

Hiroyuki Amatsutsu is currently associated with Totaku Industries, Inc., where he applies his expertise in developing innovative products. His work has garnered attention for its practicality and effectiveness in various applications.

Collaborations

Amatsutsu collaborates with talented coworkers, including Yasuhiro Kikumori and Kouki Fukui. Their combined efforts contribute to the success of their projects and the advancement of technology in their field.

Conclusion

Hiroyuki Amatsutsu's contributions to innovation, particularly in piping solutions, highlight his role as a leading inventor in Japan. His patents reflect a commitment to enhancing functionality and efficiency in engineering 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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