logo

For the Inventor, By the Inventor

Oita, Japan

Toshiyuki Aizawa

This inventor holds 16 USPTO granted patents. Top assignees: Showa Denko K.k., Showa Denko Kabushiki Kaisha. Active years: 1993-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Aizawa. Retrieved from https://idiyas.com/inventor/toshiyuki-aizawa

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 9

Forward Citations = 238(Granted Patents)


Company Filing History:

goldMedal11 out of 1,961 
 
Showa Denko K.k.
 patents
silverMedal5 out of 405 
 
Showa Denko Kabushiki Kaisha
 patents

Years Active: 1993-2001

Loading Chart...
16 patents (USPTO):Explore Patents
1. 6291712 - Process for producing saturated aliphatic carboxylic acid amide (2001-09-18),
2. 6166253 - Process for producing N-(1-alkoxyethyl)carboxylic amides (2000-12-26),
3. 6153708 - Highly polymerizable N-vinlycarboxylic acid amide and production process (2000-11-28),
4. 6143836 - Highly polymerizable N-vinylcarboxylic acid amide and production process (2000-11-07),
5. 6072084 - Highly polymerizable N-vinylcarboxylic acid amide and production process (2000-06-06),
6. 5892115 - Highly polymerizable N-vinylcarboxylic acid amide and production process (1999-04-06),
7. 5852214 - Process for producing n-(1-alkoxyethyl) carboxylic amides (1998-12-22),
8. 5789619 - Highly polymerizable N-vinylcarboxylic acid amide and production process (1998-08-04),
9. 5455042 - Ointment comprising a homogenous mixture of a polymer or copolymer of (1995-10-03),
10. 5407996 - Method for producing ceramics using crosslinked N-vinylcarboxylic and (1995-04-18),
11. 5362918 - Process for producing acetaldehyde dimethylacetal (1994-11-08),
12. 5344655 - External application base or auxiliary agent and external application (1994-09-06),
13. 5338815 - Fine particulate crosslinked type n-vinylamide resin and microgel, (1994-08-16),
14. 5300606 - Liquid absorption agent (1994-04-05),
15. 5280095 - Fine particulate crosslinked type N-vinylamide resin and microgel, (1994-01-18),

Title: Toshiyuki Aizawa: Innovator in Carboxylic Acid Amide Production

Introduction

Toshiyuki Aizawa is a prominent inventor based in Oita, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of carboxylic acid amides. With a total of 16 patents to his name, Aizawa's work has had a substantial impact on industrial processes.

Latest Patents

Aizawa's latest patents include a process for producing saturated aliphatic carboxylic acid amides. This innovative method involves reacting a saturated aliphatic carboxylic acid with ammonia to obtain a saturated aliphatic ammonium carboxylate. The process then subjects this compound to a dehydration reaction, which is conducted while continuously supplying water to the reaction system. This approach simplifies production steps, enhances operational efficiency, and reduces costs while ensuring high purity and yield.

Another notable patent is the process for producing N-(1-alkoxyethyl)carboxylic amides. This method involves reacting alcohols with N-vinylcarboxylic amides in the presence of an acidic catalyst. Aizawa's techniques allow for the utilization of unreacted materials, further optimizing the production process.

Career Highlights

Throughout his career, Aizawa has worked with notable companies such as Showa Denko K.K. and Showa Denko Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in chemical processes and innovation.

Collaborations

Aizawa has collaborated with esteemed colleagues, including Hitoshi Nakamura and Tetsuo Kudo. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their field.

Conclusion

Toshiyuki Aizawa's contributions to the production of carboxylic acid amides demonstrate his innovative spirit and commitment to enhancing industrial processes. His patents reflect a deep understanding of chemical engineering and a dedication to improving efficiency and purity in 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]
Loading…