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For the Inventor, By the Inventor

Otsu, Japan

Hiroyasu Kato

This inventor holds 9 USPTO granted patents. Top assignees: Toray Industries, Inc., Toray Coatex Co., Ltd.. Active years: 1984-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyasu Kato. Retrieved from https://idiyas.com/inventor/hiroyasu-kato

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 152(Granted Patents)


Location History:

  • Minami, JP (1986)
  • Otsu, JP (1995 - 1997)
  • Shiga-ken, JP (2001)
  • Kyoto, JP (1984 - 2017)

Company Filing History:

goldMedal9 out of 3,586 
 
Toray Industries, Inc.
 patents
silverMedal1 out of 1 
 
Toray Coatex Co., Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1984-2017

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9 patents (USPTO):Explore Patents
1. 9707663 - Polishing pad (2017-07-18),
2. 6241879 - Filtering machine and filter cloth therefor (2001-06-05),
3. 5626916 - Cloth prepreg, process for producing the same and reinforcing fabric (1997-05-06),
4. 5616405 - Cloth prepreg, process for producing the same and reinforcing fabric (1997-04-01),
5. 5557831 - Process for producing a woven carbon reinforcing fabric with a high (1996-09-24),
6. 5447785 - Cloth prepreg, process for producing the same and reinforcing fabric (1995-09-05),
7. 4612228 - Ultrafine fiber entangled sheet (1986-09-16),
8. 4519804 - Melange-colored sheet and method of producing the same (1985-05-28),
9. 4476186 - Ultrafine fiber entangled sheet and method of producing the same (1984-10-09),

Title: Hiroyasu Kato: Innovator in Polishing and Filtration Technologies

Introduction

Hiroyasu Kato is a prominent inventor based in Otsu, Japan. He has made significant contributions to the fields of polishing and filtration technologies. With a total of 9 patents to his name, Kato's work has had a substantial impact on various industrial applications.

Latest Patents

Kato's latest patents include innovative designs for polishing pads and filtering machines. One of his notable inventions is a polishing pad that features a compression elastic modulus of 0.17 MPa or more and 0.32 MPa or less. This pad is produced using a nonwoven fabric made of ultrafine fibers, which enhances its performance in polishing applications. Another significant patent involves a filter cloth that comprises a base layer and a filtering layer, characterized by a specific ratio of thickness to fiber length. This invention aims to improve the efficiency of solid-liquid separation processes.

Career Highlights

Throughout his career, Hiroyasu Kato has worked with esteemed companies such as Toray Industries, Inc. and Toray Coatex Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, leading to the creation of several impactful patents.

Collaborations

Kato has collaborated with notable colleagues, including Hajime Kishi and Nobuyuki Odagiri. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Hiroyasu Kato's contributions to polishing and filtration technologies demonstrate his innovative spirit and dedication to improving industrial processes. His patents reflect a commitment to excellence and a desire to push the boundaries of technology.

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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