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For the Inventor, By the Inventor

Yamato, Japan

Seiichi Nozawa

This inventor holds 10 USPTO granted patents. Top assignees: Mitsubishi Chemical Industries Limited, Mitsubishi Kasei Corporation, Diafoil Company, Ltd.. Active years: 1979-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Nozawa. Retrieved from https://idiyas.com/inventor/seiichi-nozawa

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 37(Granted Patents)


Location History:

  • Kanagawa, JP (1990)
  • Yamato, JP (1979 - 1994)

Company Filing History:

goldMedal8 out of 614 
 
Mitsubishi Chemical Industries Limited
 patents
silverMedal2 out of 499 
 
Mitsubishi Kasei Corporation
 patents
bronzeMedal1 out of 59 
 
Diafoil Company, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1979-1994

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10 patents (USPTO):Explore Patents
1. 5326849 - Method for producing an aromatic poly (thio) ether ketone (1994-07-05),
2. 5171821 - Process for producing a phenolate and process for producing an aromatic (1992-12-15),
3. 4977230 - Heat-resistant film or sheet (1990-12-11),
4. 4857626 - Wholly aromatic polyester and process for its production (1989-08-15),
5. 4782132 - Process for producing a copolyester (1988-11-01),
6. 4707536 - Catalytic preparation of aromatic polyketone from phosgene and aromatic (1987-11-17),
7. 4661581 - Process for producing aromatic polyether ketones and polythioether (1987-04-28),
8. 4520208 - Aromatic polyester containing phenolphthalein unit and bis-phenol unit (1985-05-28),
9. 4246396 - Process for producing polyoxymethylene (1981-01-20),
10. 4158729 - Process for producing polyoxymethylene (1979-06-19),

Title: Seiichi Nozawa: Innovator in Aromatic Poly(thio)ether Ketone Production

Introduction

Seiichi Nozawa is a prominent inventor based in Yamato, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of aromatic poly(thio)ether ketones. With a total of 10 patents to his name, Nozawa's work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is a method for producing an aromatic poly(thio)ether ketone. This innovative process involves reacting an aromatic (thio)ether carboxylic acid fluoride under pressure in an aprotic organic solvent in the presence of boron trifluoride. The resulting compound features repeating units that can include various hydrocarbon groups and halogen atoms. Another notable patent focuses on the process for producing a metal phenolate, showcasing his versatility in chemical processes.

Career Highlights

Throughout his career, Seiichi Nozawa has worked with leading companies in the chemical industry, including Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in chemical production.

Collaborations

Nozawa has collaborated with esteemed colleagues such as Osamu Kishiro and Atsushi Kasai. These partnerships have fostered a creative environment that has led to the development of new methodologies and advancements in their field.

Conclusion

Seiichi Nozawa's contributions to the field of chemical engineering, particularly in the production of aromatic poly(thio)ether ketones, highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.

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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