Tadatoshi Kurozumi

This inventor holds 13 USPTO granted patents and 4 published patent applications and 6 EPO patents. Top assignee: Showa Denko K.k.. Active years: 1995-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadatoshi Kurozumi. Retrieved from https://idiyas.com/inventor/tadatoshi-kurozumi

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

USPTO Granted Patents = 13 (Patent Applications = 4)

% Patents Active = 7.7

EPO Patents = 6 (Patent Applications = 10)

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 13(Granted Patents)

Location History:

Kawasaki, JP (1995)
Funabashi, JP (2011)
Chiba, JP (2008 - 2016)

Company Filing History:

13 out of 1,961

Showa Denko K.k.

patents

Years Active: 1995-2016

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9450250 - Catalyst, production process therefor and use thereof (2016-09-20),

2. 9099749 - Catalyst, production process therefor and use thereof (2015-08-04),

3. 8906581 - Process for producing fuel cell electrode by applying a sugar to a precursor supporting a metal oxide and conductive substance and carbonizing the sugar (2014-12-09),

4. 8889315 - Catalyst, process for preparing the same, and uses of the catalyst (2014-11-18),

5. 8785342 - Catalyst carrier, catalyst and process for producing the same (2014-07-22),

6. 8642495 - Catalyst, production process therefor and use thereof (2014-02-04),

7. 8541334 - Catalyst carrier, catalyst and process for producing the same (2013-09-24),

8. 8496903 - Catalyst, production process therefor and use thereof (2013-07-30),

9. 8268490 - Catalyst layer, membrane electrode assembly and fuel cell (2012-09-18),

10. 8182950 - Metal oxide electrocatalyst, use thereof, and process for producing metal oxide electrocatalysts (2012-05-22),

11. 8052954 - Barium calcium titanate, production process thereof and capacitor (2011-11-08),

12. 7357291 - Solder metal, soldering flux and solder paste (2008-04-15),

13. 5424124 - Civil engineering and construction grade fibrous reinforcing material, (1995-06-13),

Title: The Innovations of Tadatoshi Kurozumi

Introduction

Tadatoshi Kurozumi is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of catalysis, holding a total of 13 patents. His work focuses on developing catalysts that exhibit exceptional durability and high oxygen-reducing ability, particularly in challenging environments.

Latest Patents

One of Kurozumi's latest patents is titled "Catalyst, production process therefor and use thereof." This invention describes catalysts that are resistant to corrosion in acidic electrolytes and at high potential. The catalysts include a metal oxycarbonitride that contains two metals selected from a diverse group, including tin, indium, platinum, tantalum, zirconium, titanium, copper, iron, tungsten, chromium, molybdenum, hafnium, vanadium, cobalt, cerium, aluminum, and nickel. Notably, these catalysts also contain zirconium and/or titanium, enhancing their performance in various applications.

Career Highlights

Kurozumi is associated with Showa Denko K.K., a leading company in the chemical industry. His work at the company has allowed him to focus on innovative solutions in catalysis, contributing to advancements in energy efficiency and sustainability.

Collaborations

Throughout his career, Kurozumi has collaborated with notable colleagues, including Toshikazu Shishikura and Ryuji Monden. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Tadatoshi Kurozumi's contributions to the field of catalysis are noteworthy, particularly his innovative catalysts that demonstrate high durability and efficiency. His work continues to influence advancements in various industries, showcasing the importance of innovation in technology.

Profile summary based on public USPTO records.