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Nisshin Seifun Group Inc.

USPTO Granted Patents = 51

% Expired Patents = 9.8

CIPO Patents = 9

EPO Patents = 16

Trademarks = 20

Forward Citations = 177

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88 inventors (with patents filed for the assignee):

Kazumi Kozawa (9 out of 12 patents)

Katsuyuki Hayakawa (8 out of 8 patents)

Keitaroh Nakamura (7 out of 14 patents)

4. Hirohito Yamakawa (7 out of 7 patents)

5. Keiko Tanaka (6 out of 6 patents)

6. Masaru Kyugo (5 out of 5 patents)

7. Shinjiro Imai (5 out of 5 patents)

8. Akihiro Hino (5 out of 8 patents)

9. Takashi Kodama (5 out of 6 patents)

10. Mayu Iida (5 out of 5 patents)

11. Satomi Nozaki (5 out of 5 patents)

12. Yasunori Tanaka (4 out of 9 patents)

13. Shiori Sueyasu (4 out of 8 patents)

14. Kenji Jikihara (4 out of 4 patents)

15. Kazumi Kitta (4 out of 4 patents)

Core Competencies:

Allergen Detection

Fine Particle Manufacturing

Microparticle Production

Powder Classification

Circadian Rhythm Regulation

Magnetic Particles

Wheat DNA Detection

Food Texture Analysis

Ultrafine Particles

Mechanical Crusher

Therapeutic Agents

Cyclic Depsipeptides

51 patents: Sort by Forward Citations

1. 12493046 - ALLERGEN DETECTION MARKER AND ALLERGEN DETECTION METHOD USING SAME (2025-12-09),

2. 12324086 - Fine particle manufacturing apparatus and fine particle manufacturing method (2025-06-03),

3. 12161986 - Fine particle manufacturing apparatus and fine particle manufacturing method (2024-12-10),

4. 12037250 - Microparticle production method and microparticle production apparatus (2024-07-16),

5. 11986885 - Fine particle production apparatus and fine particle production method (2024-05-21),

6. 11175271 - Allergen detection method (2021-11-16),

7. 11154907 - Powder classifying apparatus (2021-10-26),

8. 10967999 - Horizontal pillow packing apparatus and horizontal pillow packing method (2021-04-06),

9. 10752389 - Rod-shaped body binding device, bound body of rod-shaped body, and rod-shaped body binding method (2020-08-25),

10. 10390545 - Method for concentrating particular component in powder (2019-08-27),

11. 10201836 - Powder classifying apparatus (2019-02-12),

12. 10128031 - Method for manufacturing magnetic particles from a silicon oxide-iron core-shell structure (2018-11-13),

13. 10020108 - Method for producing magnetic particles, magnetic particles, and magnetic body (2018-07-10),

14. 9884328 - Cyclone device and classification method (2018-02-06),

15. 9737494 - Method of regulating circadian rhythm, and method of preparing circadian rhythm regulatory agent (2017-08-22),

Company Overview

Nisshin Seifun Group Inc., headquartered in Tokyo, Japan, specializes in advanced allergen detection technologies and fine particle manufacturing. The company focuses on developing innovative solutions in microparticle production and powder classification, catering to various industries, including food and pharmaceuticals. Nisshin Seifun is also engaged in research related to circadian rhythm regulation and the detection of wheat DNA, enhancing food safety and quality through sophisticated food texture analysis techniques.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

51 Patents

#786 in Tokyo

#1,685 in Japan

#13,788 in the World

Nisshin Seifun Group Inc.

Forward Citations = 177

88 inventors:

Kazumi Kozawa (9 out of 12 patents)

Katsuyuki Hayakawa (8 out of 8 patents)

Keitaroh Nakamura (7 out of 14 patents)

4. Hirohito Yamakawa (7 out of 7 patents)

5. Keiko Tanaka (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nisshin Seifun Group Inc.. Retrieved from https://idiyas.com/company/nisshin-seifun-group

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

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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