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For the Inventor, By the Inventor

Tokyo, Japan

Takeshi Hazeyama

This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignee: Nittetsu Mining Co., Ltd.. Active years: 1976-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Hazeyama. Retrieved from https://idiyas.com/inventor/takeshi-hazeyama

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

USPTO Granted Patents = 6

% Patents Active = 100.0


Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 71(Granted Patents)


Location History:

  • Mitaka, JA (1976)
  • Mitaka, JP (1992)
  • Tokyo, JP (1985 - 1997)
  • Koga, JP (2008)

Company Filing History:

goldMedal6 out of 43 
 
Nittetsu Mining Co., Ltd.
 patents

Years Active: 1976-2008

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6 patents (USPTO):Explore Patents
1. 7399522 - Heat-resistant filter element and method for production thereof (2008-07-15),
2. 5607490 - Filter having chemical resistance, antistatic property and water vapor (1997-03-04),
3. 5558689 - Reinforced filter element (1996-09-24),
4. 5080847 - Manufacturing method of filter element for dust collector (1992-01-14),
5. 4551240 - Apparatus for classifying particulate material with air currents (1985-11-05),
6. 3969484 - Process for recovering tungsten from alkaline leaching solution of (1976-07-13),

Title: The Innovative Contributions of Takeshi Hazeyama

Introduction

Takeshi Hazeyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of filter technology, holding a total of 6 patents. His work focuses on developing heat-resistant and water vapor resistant filters that are both cost-effective and environmentally friendly.

Latest Patents

One of his latest patents is a heat-resistant filter element and method for production thereof. This invention aims to provide a low-cost heat-resistant filter element made from polyethylene particles. It is designed for separating and collecting particles from a dust gas and can be continuously used in high-temperature environments ranging from 70°C to 130°C. The filter is noted for its excellent chemical resistance, flexibility, and suitability for mass production. Another significant patent involves a water vapor resistant filter that comprises a permeable molded material, nonwoven fabric, or felt made from polyimide fiber. This filter is designed to have antistatic properties and is covered with various types of fluorine resins.

Career Highlights

Takeshi Hazeyama has worked with notable companies, including Nittetsu Mining Co., Ltd. His experience in these organizations has contributed to his expertise in filter technology and innovation.

Collaborations

Some of his coworkers include Hitoshi Otaka and Seihou Taniguchi. Their collaboration has likely played a role in advancing the projects and patents that Hazeyama has developed.

Conclusion

Takeshi Hazeyama's innovative work in filter technology showcases his commitment to creating effective and environmentally friendly solutions. His contributions continue to impact the industry positively.

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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