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For the Inventor, By the Inventor

Yokohama, Japan

Kenji Iwata

This inventor holds 13 USPTO granted patents and 1 EPO patent. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Mitsui Chemicals, Inc.. Active years: 1978-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Iwata. Retrieved from https://idiyas.com/inventor/kenji-iwata-ennyzyhl

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 82(Granted Patents)


Location History:

  • Kanagawa, JP (1995)
  • Yokohama, JP (1978 - 2021)

Company Filing History:

goldMedal10 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal3 out of 1,817 
 
Mitsui Chemicals, Inc.
 patents

Years Active: 1978-2021

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13 patents (USPTO):Explore Patents
1. 11072527 - Method for producing chlorine by oxidation of hydrogen chloride (2021-07-27),
2. 9108845 - Chlorine production catalyst and chlorine production process using the catalyst (2015-08-18),
3. 8222178 - Catalyst and production process thereof, and chlorine production using the catalyst (2012-07-17),
4. 5620934 - Production process of silicon carbide from organosilicon compounds (1997-04-15),
5. 5596117 - Preparation process of organo silicon compounds and production process (1997-01-21),
6. 5508363 - Preparation process of organosilicon compounds and production of silicon (1996-04-16),
7. 5420238 - Poly(silyleneethynylene phenyleneethynylenes), method for preparing same (1995-05-30),
8. 5041587 - Process for preparing organic silicon compound (1991-08-20),
9. 4610859 - Process for producing silicon hydrides (1986-09-09),
10. 4282114 - Catalyst for polymerizing .alpha.-olefins (1981-08-04),
11. 4190614 - Method for the production of low density copolymers of ethylene (1980-02-26),
12. 4175171 - Catalyst for polymerizing .alpha.-olefins (1979-11-20),
13. 4105847 - Method for polymerization of ethylene (1978-08-08),

Title: Kenji Iwata: Innovator in Chlorine Production Technology

Introduction

Kenji Iwata is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of chlorine. With a total of 13 patents to his name, Iwata's work has had a substantial impact on industrial processes.

Latest Patents

Iwata's latest patents include a method for producing chlorine by oxidation of hydrogen chloride. This innovative method involves the oxidation of hydrogen chloride with oxygen in the presence of a catalyst within a fixed-bed reactor. The process operates at a temperature range of 280 to 370°C, with an oxygen concentration of 45 to 75 vol%. Another notable patent is for a chlorine production catalyst and the associated production process. This catalyst demonstrates excellent reaction activity in the oxidation of hydrogen chloride to chlorine, is cost-effective, and is suitable for use in a fluidized-bed reactor. The catalyst comprises spherical particles containing copper, an alkali metal, and a lanthanoid element, with specific properties that enhance its performance.

Career Highlights

Throughout his career, Kenji Iwata has worked with notable companies such as Mitsui Toatsu Chemicals, Incorporated and Mitsui Chemicals, Inc. His experience in these organizations has allowed him to refine his expertise in chemical processes and innovation.

Collaborations

Iwata has collaborated with esteemed colleagues, including Masayoshi Itoh and Akira Ito. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Kenji Iwata's contributions to chlorine production technology exemplify his innovative spirit and dedication to advancing chemical engineering. His patents reflect a commitment to improving industrial processes and enhancing efficiency in chemical production.

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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