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For the Inventor, By the Inventor

Sagamihara, Japan

Yasushi Ishikawa

This inventor holds 8 USPTO granted patents. Top assignees: Nippon Steel Corporation, Toyota Jidosha Kabushiki Kaisha, Nippon Kinzoku Co., Ltd.. Active years: 1979-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Ishikawa. Retrieved from https://idiyas.com/inventor/yasushi-ishikawa-pi02s67d

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 = 100.0

Average Co-Inventor Count = 5.7

ph-index = 6

Forward Citations = 106(Granted Patents)


Location History:

  • Sagamihara, JP (1979 - 1995)
  • Tokai, JP (1994 - 1997)

Company Filing History:

goldMedal8 out of 3,721 
 
Nippon Steel Corporation
 patents
silverMedal2 out of 38,970 
 
Toyota Jidosha Kabushiki Kaisha
 patents
bronzeMedal1 out of 21 
 
Nippon Kinzoku Co., Ltd.
 patents
4. 1 out of 18 
 
Nippon Steel Welding Products and Engineering Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1979-1997

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8 patents (USPTO):Explore Patents
1. 5665669 - Metallic honeycomb body for supporting catalyst and production method (1997-09-09),
2. 5648176 - Metallic honeycomb body for supporting catalyst for automobiles and (1997-07-15),
3. 5403558 - Heat and fatigue resistant metallic carrier for automobile exhaust (1995-04-04),
4. 5304351 - Semi-oval shaped carrier having excellent thermal stress resistance and (1994-04-19),
5. 5192016 - Methods for manufacturing tubes filled with powdery and granular (1993-03-09),
6. 5153167 - Honeycomb catalyst carrier (1992-10-06),
7. 5096111 - Method for contracting a cylindrical body (1992-03-17),
8. 4136273 - Method and apparatus for TIG welding (1979-01-23),

Title: Yasushi Ishikawa: Innovator in Automotive Catalyst Technology

Introduction

Yasushi Ishikawa is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of metallic honeycomb structures used in catalysts. With a total of 8 patents to his name, Ishikawa's work has had a lasting impact on the industry.

Latest Patents

Ishikawa's latest patents include innovative designs for metallic honeycomb bodies that support catalysts. These patents focus on enhancing the efficiency and effectiveness of catalytic converters in automobiles. His notable inventions are:

1. Metallic honeycomb body for supporting catalyst and production method.

2. Metallic honeycomb body for supporting catalyst for automobiles.

Career Highlights

Throughout his career, Yasushi Ishikawa has worked with leading companies in the automotive sector. He has been associated with Nippon Steel Corporation and Toyota Motor Corporation, where he has applied his expertise in materials science and engineering to develop advanced automotive technologies.

Collaborations

Ishikawa has collaborated with notable professionals in his field, including Mikio Yamanaka and Yutaka Sadano. These partnerships have fostered innovation and contributed to the successful development of his patented technologies.

Conclusion

Yasushi Ishikawa's contributions to automotive catalyst technology exemplify his dedication to innovation. His patents and collaborations reflect a commitment to advancing the industry and improving vehicle performance. His work continues to influence the future of automotive engineering.

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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