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Hayashibara Co., Ltd.

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USPTO Granted Patents = 47

% Expired Patents = 23.4

CIPO Patents = 1

EPO Patents = 36

Trademarks = 11

Forward Citations = 93

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79 inventors (with patents filed for the assignee):

Shigeharu Fukuda (22 out of 64 patents)

Tomoyuki Nishimoto (15 out of 41 patents)

Toshio Miyake (13 out of 180 patents)

4. Takashi Shibuya (12 out of 50 patents)

5. Seisuke Izawa (11 out of 11 patents)

6. Hikaru Masahiro Watanabe (8 out of 13 patents)

7. Hiroto Chaen (8 out of 66 patents)

8. Takuo Yamamoto (6 out of 12 patents)

9. Tatsuya Ishihara (6 out of 6 patents)

10. Kazuyuki Oku (6 out of 18 patents)

11. Keiji Tsusaki (5 out of 31 patents)

12. Toshio Ariyasu (4 out of 7 patents)

13. Keizo Kohno (4 out of 17 patents)

14. Masaki Miyake (3 out of 4 patents)

15. Emiko Ohashi (3 out of 3 patents)

Core Competencies:

Enzyme Production

External Dermal Agents

Alpha-Glucan

Trehalose Dihydrate

Glycosyl Hesperetin

Therapeutic Agents

Particulate Composition

Periodontal Treatment

Food Preservation

Human T-Cell

Lipid Regulation

Functional Powders

47 patents: Sort by Forward Citations

1. 11859229 - Polyvinyl alcohol-degrading enzyme and process for producing the same (2024-01-02),

2. 11453694 - Glycosyl hesperetin and process for producing the same and uses thereof (2022-09-27),

3. 11408019 - Alpha-glucan mixture, its preparation and uses (2022-08-09),

4. 11337910 - Particulate composition comprising crystalline alpha, alpha-trehalose dihydrate, its preparation and uses (2022-05-24),

5. 11330828 - Powdery plant extract for beverages and process for producing the same (2022-05-17),

6. 10933010 - External dermal agent (2021-03-02),

7. 10703773 - Glycosyl hesperetin and process for producing the same and uses thereof (2020-07-07),

8. 10603333 - Process for producing a particulate composition comprising an hydrous crystalline 2-o-alpha-d-glucosyl-ascorbic acid (2020-03-31),

9. 10568827 - External dermal agent for reducing yellowish dullness (2020-02-25),

10. 10301342 - Process for producing a particulate composition comprising crystalline α,α-trehalose di-hydrate (2019-05-28),

11. 10196416 - Process for producing a particulate composition comprising crystalline alpha, alpha-trehalose di-hydrate (2019-02-05),

12. 10111822 - External dermal composition for anti-ageing and method for producing the same (2018-10-30),

13. 10076130 - Branched alpha-glucan, alpha-glucosyltransferase which forms the glucan, their preparation and uses (2018-09-18),

14. 10071042 - External dermatological agent for anti-ageing (2018-09-11),

15. 9938311 - Process for producing a particulate composition comprising crystalline alpha, alpha-trehalose di-hydrate (2018-04-10),

Company Overview

Hayashibara Co., Ltd., based in Okayama, Japan, specializes in the development and manufacturing of innovative biotechnological products. The company focuses on core technology areas such as polyvinyl alcohol-degrading enzymes and glycosyl hesperetin, contributing to advancements in therapeutic agents for inflammatory diseases and external dermal applications. Additionally, Hayashibara is involved in creating specialized compositions, including mouthwash formulations and branched alpha-glucan mixtures, enhancing health and wellness solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

47 Patents

#5 in Okayama

#1,781 in Japan

#14,840 in the World

Hayashibara Co., Ltd.

Forward Citations = 93

79 inventors:

Shigeharu Fukuda (22 out of 64 patents)

Tomoyuki Nishimoto (15 out of 41 patents)

Toshio Miyake (13 out of 180 patents)

4. Takashi Shibuya (12 out of 50 patents)

5. Seisuke Izawa (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hayashibara Co., Ltd.. Retrieved from https://idiyas.com/company/hayashibara-company

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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