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For the Inventor, By the Inventor

Fujisawa, Japan

Sakuro Hasegawa

This inventor holds 5 USPTO granted patents. Top assignee: Nitto Boseki Co., Ltd.. Active years: 1985-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sakuro Hasegawa. Retrieved from https://idiyas.com/inventor/sakuro-hasegawa

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 150(Granted Patents)


Company Filing History:

goldMedal5 out of 266 
 
Nitto Boseki Co., Ltd.
 patents

Years Active: 1985-1987

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5 patents (USPTO):Explore Patents
1. 4704190 - Pulp slurry drainage improver (1987-11-03),
2. 4644042 - Polymers of N-substituted secondary monoallylamines and their salts and (1987-02-17),
3. 4605701 - Small-globular crosslinked monoallylamine polymer and process for (1986-08-12),
4. 4569979 - Process for producing a polymer of an inorganic acid salt of (1986-02-11),
5. 4504640 - Process for producing monoallylamine polymer (1985-03-12),

Title: The Innovative Contributions of Sakuro Hasegawa

Introduction

Sakuro Hasegawa is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of paper manufacturing through his innovative patents. With a total of five patents to his name, Hasegawa continues to push the boundaries of technology in his industry.

Latest Patents

One of Hasegawa's latest patents is a pulp slurry drainage improver. This invention allows for the marked improvement of pulp slurry drainage without compromising the uniformity of paper quality. By adding a poly-monoallylamine resin to the pulp slurry, the drainage process is enhanced. The resin can be represented by a specific formula, where various chemical components are utilized to achieve optimal results. This innovation demonstrates Hasegawa's commitment to advancing paper production techniques.

Career Highlights

Hasegawa has built a successful career at Nitto Boseki Co., Ltd., where he has been able to apply his inventive skills. His work has not only contributed to the company’s success but has also had a lasting impact on the paper manufacturing industry. His expertise in polymer chemistry has enabled him to develop solutions that address common challenges faced in the production process.

Collaborations

Throughout his career, Hasegawa has collaborated with talented individuals such as Susumu Harada and Koichi Sato. These partnerships

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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