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For the Inventor, By the Inventor

Nagoya, Japan

Kazuyoshi Iwayama

This inventor holds 18 USPTO granted patents. Top assignees: Toray Industries, Inc., Fuji Oil Company Limited. Active years: 1978-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyoshi Iwayama. Retrieved from https://idiyas.com/inventor/kazuyoshi-iwayama

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

USPTO Granted Patents = 18

% Patents Active = 83.3

Average Co-Inventor Count = 3.7

ph-index = 8

Forward Citations = 136(Granted Patents)


Location History:

  • Yokohama, JA (1978)
  • Kamakura, JP (1983 - 1986)
  • Aichi, JP (1989 - 2004)
  • Nagoya, JP (2000 - 2007)

Company Filing History:

goldMedal18 out of 3,578 
 
Toray Industries, Inc.
 patents
silverMedal1 out of 225 
 
Fuji Oil Company Limited
 patents
where one patent can have more than one assignee

Years Active: 1978-2007

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18 patents (USPTO):Explore Patents
1. 7199070 - Conversion catalyst for ethylbenzene containing xylenes and process for converting ethylbenzene containing xylenes by using catalyst (2007-04-03),
2. 6878264 - Process for conversion of organic compounds (2005-04-12),
3. 6781021 - Method for isomerizing halogenated aromatics (2004-08-24),
4. 6635233 - CFI-type zeolite, process for preparation of the same, catalyst prepared from the same, and process for conversion of organic compounds (2003-10-21),
5. 6462248 - Method for producing aromatic compounds having alkyl group with at least three carbon atoms (2002-10-08),
6. 6359184 - Process for production of xylene (2002-03-19),
7. 6320087 - Adsorbent for separating halogenated aromatic compounds and separation method (2001-11-20),
8. 6262322 - Adsorbent for aromatic isomers and production of aromatic isomers (2001-07-17),
9. 6060417 - Catalyst composition for transalkylation of alkylaromatic hydrocarbons (2000-05-09),
10. 6040490 - Process for producing aromatic compounds by dealkylation, (2000-03-21),
11. 5180862 - Process for isomerizing trichlorobenzene (1993-01-19),
12. 4861928 - Process for the isomerization of dichlorotoluene (1989-08-29),
13. 4581216 - Process for preparing crystalline aluminosilicate zeolites using a (1986-04-08),
14. 4572779 - Process for the dewaxing of hydrocarbon fractions (1986-02-25),
15. 4511547 - Process for preparing crystalline aluminosilicate zeolites using a (1985-04-16),

Title: Kazuyoshi Iwayama: Innovator in Catalytic Processes

Introduction

Kazuyoshi Iwayama is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of catalysis, particularly in processes involving organic compounds. With a total of 18 patents to his name, Iwayama's work has had a substantial impact on industrial applications.

Latest Patents

Iwayama's latest patents include a conversion catalyst for ethylbenzene containing xylenes and a process for converting ethylbenzene using this catalyst. The catalyst is characterized by a specific X-ray diffraction intensity ratio of the crystal lattice plane spacing d-value, which is crucial for its effectiveness. Additionally, he has developed a process for the conversion of organic compounds, which involves using a catalyst formed from a CFI-type zeolite with a silicon to heteroatom atomic ratio of 45 or less.

Career Highlights

Throughout his career, Kazuyoshi Iwayama has worked with notable companies such as Toray Industries, Inc. and Fuji Oil Company Limited. His expertise in catalysis has been instrumental in advancing various chemical processes within these organizations.

Collaborations

Iwayama has collaborated with esteemed colleagues, including Hajime Kato and Takehisa Inoue. These partnerships have fostered innovation and contributed to the development of new catalytic technologies.

Conclusion

Kazuyoshi Iwayama's contributions to the field of catalysis are noteworthy, with a focus on innovative processes and catalysts. His work continues to influence the industry and pave the way for future advancements.

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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