Susumu Harada

This inventor holds 18 USPTO granted patents, primarily in Polymer Chemistry. Top assignees: Nitto Boseki Co., Ltd., 501 Nitto Boseki, Co. Ltd. Active years: 1985-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Harada. Retrieved from https://idiyas.com/inventor/susumu-harada-1xkn15ts

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

Calculating rank

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 299(Granted Patents)

Location History:

Koriyama, JP (1985 - 1987)
Tokyo, JP (1986 - 1988)
Koriyama,, JP (1989)

Company Filing History:

17 out of 266

Nitto Boseki Co., Ltd.

patents

1 out of 1

501 Nitto Boseki, Co. Ltd

patent

Years Active: 1985-1989

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Areas of Expertise:

Polymers

Monoallylamine

Diallylamine

Functionalized Resins

Photosensitive Resins

Color Fastness

Inorganic Acid Salts

Crosslinked Polymers

Slurry Drainage Improver

Isonitrile Group

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4812540 - Preparation of polymers of monoallylamine and diallylamine derivatives (1989-03-14),

2. 4749759 - Process for the preparation of polymers of inorganic acid salts of (1988-06-07),

3. 4704190 - Pulp slurry drainage improver (1987-11-03),

4. 4701497 - Process for producing novel photosensitive resins (1987-10-20),

5. 4687817 - Novel functionalized resin derived from polyallylamine (1987-08-18),

6. 4680360 - Process for producing poly(allylamine) derivatives (1987-07-14),

7. 4678474 - Method for improving color fastness of reactive dyes on cellulose with (1987-07-07),

8. 4670517 - Novel isonitrile group-containing polymers and process for preparing the (1987-06-02),

9. 4644042 - Polymers of N-substituted secondary monoallylamines and their salts and (1987-02-17),

10. 4626577 - Process for preparing a solution of poly(allylamine) (1986-12-02),

11. 4605701 - Small-globular crosslinked monoallylamine polymer and process for (1986-08-12),

12. 4604451 - Novel functionalized resin derived from polyallylamine (1986-08-05),

13. 4583989 - Method for improving color fastness: mono- and di-allylamine copolymer (1986-04-22),

14. 4569979 - Process for producing a polymer of an inorganic acid salt of (1986-02-11),

15. 4559391 - Process for producing poly(allylamine) derivatives (1985-12-17),

Title: The Innovative Contributions of Susumu Harada

Introduction

Susumu Harada is a prominent inventor based in Koriyama, Japan. He has made significant contributions to the field of polymer chemistry, holding a total of 18 patents. His work focuses on the preparation and application of various polymer derivatives, showcasing his expertise and innovative spirit.

Latest Patents

One of Harada's latest patents involves the preparation of polymers of monoallylamine and diallylamine derivatives. This patent describes a method for obtaining a monoallylamine-diallylamine derivative copolymer with a high degree of polymerization in a high yield. The process utilizes a radical initiator containing an azo group and a group with a cationic nitrogen atom in the molecule. Another notable patent details the process for the preparation of polymers of inorganic acid salts. In this case, high molecular weight polymers are produced in a high yield by polymerizing inorganic acid salts of monoallylamine or N-substituted monoallylamines in a polar solvent, using a specific azo type radical initiator.

Career Highlights

Throughout his career, Harada has worked with notable companies, including Nitto Boseki Co., Ltd. and 501 Nitto Boseki Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative approaches to polymer chemistry.

Collaborations

Harada has collaborated with esteemed colleagues such as Kiyoshi Shimizu and Toshio Ueda. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Susumu Harada's contributions to polymer chemistry through his innovative patents and collaborations highlight his significant role in the field. His work continues to influence the development of new materials and applications in various industries.

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]