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For the Inventor, By the Inventor

Tokyo, Japan

Takao Shimomura

This inventor holds 10 USPTO granted patents and 2 EPO patents. Top assignee: Eagle Industry Co., Ltd.. Active years: 1983-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Shimomura. Retrieved from https://idiyas.com/inventor/takao-shimomura

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 90.0

 

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 178(Granted Patents)


Location History:

  • Souja, JP (1983 - 1984)
  • Tokyo, JP (2008 - 2011)
  • Minato, JP (2011)

Company Filing History:

goldMedal10 out of 543 
 
Eagle Industry Co., Ltd.
 patents

Years Active: 1983-2011

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10 patents (USPTO):Explore Patents
1. 8011672 - Installation structure for lip type seal (2011-09-06),
2. 7942424 - Lip type seal (2011-05-17),
3. D582441 - Seal for a rotary shaft (2008-12-09),
4. D582440 - Seal for a rotary shaft (2008-12-09),
5. D582439 - Seal for a rotary shaft (2008-12-09),
6. D582438 - Seal for a rotary shaft (2008-12-09),
7. D582437 - Seal for a rotary shaft (2008-12-09),
8. D582436 - Seal for a rotary shaft (2008-12-09),
9. 4444399 - Mechanical seal and method of forming a sliding surface thereof (1984-04-24),
10. 4420162 - Mechanical seal and method of forming a sliding surface thereof (1983-12-13),

Title: Takao Shimomura: Innovator in Seal Technology

Introduction

Takao Shimomura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of seal technology, holding a total of 10 patents. His innovative designs have improved the functionality and efficiency of various sealing mechanisms.

Latest Patents

Among his latest patents is an installation structure for a lip type seal. This invention enables the use of a lip type seal at installation positions where shaft diameters are the same, but shaft hole diameters differ. The installation structure includes a cartridge arranged at the outer peripheral side of the lip type seal. The cartridge features a large-diameter tube portion and a small-diameter tube portion, allowing for a secure fit to the inner periphery of the shaft hole. Another notable patent is a lip type seal designed for easier separation and sorting by material. This seal includes an elastic material-made first lip seal member and a resin-made second lip seal member, enhancing assembly retainability and installation workability.

Career Highlights

Takao Shimomura works at Eagle Industry Co., Ltd., a company known for its advancements in sealing technology. His work has been instrumental in developing innovative solutions that address complex engineering challenges.

Collaborations

Throughout his career, Shimomura has collaborated with notable colleagues, including Hideki Tomoto and Masamitsu Sanada. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Takao Shimomura's contributions to seal technology exemplify the spirit of innovation. His patents reflect a commitment to improving engineering solutions and enhancing product performance.

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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