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For the Inventor, By the Inventor

Shinnanyo, Japan

Keiji Itabashi

This inventor holds 13 USPTO granted patents. Top assignees: Toyo Soda Manufacturing Co., Ltd., Tosoh Corporation. Active years: 1984-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Itabashi. Retrieved from https://idiyas.com/inventor/keiji-itabashi-emxi0pxs

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 = 7

Forward Citations = 112(Granted Patents)


Location History:

  • Sagamihara, JP (1984)
  • Yamaguchi, JP (1999)
  • Shinnanyo, JP (1985 - 2001)

Company Filing History:

goldMedal8 out of 285 
 
Toyo Soda Manufacturing Co., Ltd.
 patents
silverMedal5 out of 923 
 
Tosoh Corporation
 patents

Years Active: 1984-2001

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13 patents (USPTO):Explore Patents
1. 6309616 - Method for adsorbing and removing ethylene and method for purifying an exhaust gas (2001-10-30),
2. 6103208 - Adsorbent for ethylene, method for adsorbing and removing ethylene and (2000-08-15),
3. 6042797 - Adsorbent for ethylene, method for adsorbing and removing ethylene and (2000-03-28),
4. 5994435 - Flame retardant and flame retardant resin composition formulated with (1999-11-30),
5. 5868818 - Adsorbent for air separation, production method thereof, and (1999-02-09),
6. 4861571 - Process for preparation of synthetic mordenite molded body (1989-08-29),
7. 4687653 - Process for preparation of zeolite OE having an offretite type structure (1987-08-18),
8. 4664898 - Process for preparation of mordenite type zeolite (1987-05-12),
9. 4650654 - Process for preparation of ferrierite type zeolites (1987-03-17),
10. 4562055 - Process for preparation of zeolites (1985-12-31),
11. 4530824 - Process for preparation of L type zeolites (1985-07-23),
12. 4466812 - Zeolite encapsulating material (1984-08-21),
13. 4461631 - Zeolite encapsulating material (1984-07-24),

Title: The Innovative Contributions of Keiji Itabashi

Introduction

Keiji Itabashi, an esteemed inventor based in Shinnanyo, Japan, has made significant strides in the field of environmental technology. With a successful portfolio of 13 patents, Itabashi's work primarily focuses on the adsorption and removal of harmful gases, contributing to cleaner air and innovative solutions for exhaust gas purification.

Latest Patents

Itabashi’s latest patents showcase his dedication to advancing environmental safety. One notable innovation is a method for adsorbing and removing ethylene from exhaust gases. This technique involves using an adsorbent made of zeolite containing silver (Ag) with a ferrierite structure, specifically designed with a high silica-to-alumina ratio. Another recent patent details a method for purifying exhaust gases by utilizing a catalyst for nitrogen oxide removal along with an adsorbent for ethylene, which combines zeolite with both silver and palladium (Pd) components.

Career Highlights

Throughout his career, Keiji Itabashi has been associated with reputable companies such as Toyo Soda Manufacturing Co., Ltd. and Tosoh Corporation. His roles in these organizations have provided him with the unique opportunity to collaborate on cutting-edge technologies aimed at environmental improvements.

Collaborations

In his journey as an inventor, Itabashi has worked alongside notable colleagues including Junji Arika and Hiroshi Miyazaki. These collaborations have likely enriched his patent work, fostering innovative ideas that contribute to the advancements in gas purification technologies.

Conclusion

Keiji Itabashi stands out as a notable figure in the realm of environmental innovation. With a strong portfolio of patents addressing critical issues like exhaust gas purification, his contributions are vital in the ongoing effort to develop sustainable technologies. His work not only reflects his expertise but also emphasizes the importance of innovative solutions in our quest for a cleaner environment.

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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