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Hayashibara Biochemical Laboratories, Inc.

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USPTO Granted Patents = 30

Forward Citations = 512

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43 inventors (with patents filed for the assignee):

Kozo Tsuji (19 out of 35 patents)

Fumio Fujita (8 out of 19 patents)

Nobuhiro Toyota (7 out of 7 patents)

4. Seizo Nakashio (6 out of 6 patents)

5. Masanori Fujimoto (6 out of 12 patents)

6. Tsuneyuki Nagase (5 out of 30 patents)

7. Hiroomi Matsunaga (5 out of 6 patents)

8. Masashi Watanabe (3 out of 6 patents)

9. Teruo Saito (2 out of 15 patents)

10. Makoto Shiosaka (2 out of 2 patents)

11. Atsuo Mori (2 out of 4 patents)

12. Masahiro Domoto (2 out of 4 patents)

13. Takami Sato (2 out of 5 patents)

14. Fujio Masuko (2 out of 10 patents)

15. Kosuke Fukami (2 out of 2 patents)

Core Competencies:

D-Glucuronolactone

Alpha-D-Glycosyl Kasugamycin

Plasma Expander

Pullulan

Coated Seed

Fertilizer Composition

Hydrophilic Resin

Photosensitive Resin

Molded Plastics

Cosmetics

Thermoplastic Resin

Nonwoven Fabric

30 patents: Sort by Forward Citations

1. 5912361 - Process for producing D-glucuronolactone (1999-06-15),

2. 5317095 - Alpha-D-glycosyl kasugamycin, its preparation, and antibacterial agent (1994-05-31),

3. 4370472 - Plasma expander (1983-01-25),

4. 4205218 - Covered electrode for arc welding (1980-05-27),

5. 4186024 - Method for improving water-resistance of pullulan (1980-01-29),

6. 4167623 - Pullulan aminoalkyl ether (1979-09-11),

7. 4152170 - Cross-linked pullulan (1979-05-01),

8. 4095525 - Protective coating material for lithographic printing plate (1978-06-20),

9. 4092454 - Novel nonwoven fabric and method for manufacturing same (1978-05-30),

10. 4090016 - Carboxylated pullulan and method for producing same (1978-05-16),

11. 4080213 - Sand mold composition for metal casting (1978-03-21),

12. 4067141 - Coated seed containing pullulan-based resin used as binder (1978-01-10),

13. 4045388 - Resin composition of hydrophilic pullulan, hydrophobic thermoplastic (1977-08-30),

14. 4045204 - Fertilizer composition (1977-08-30),

15. 4029886 - Process for water-insolubilization of molded pullulan (1977-06-14),

Company Overview

Hayashibara Biochemical Laboratories, Inc. is a prominent Japanese company specializing in the development and manufacturing of various biochemical products. The organization focuses on the production of amino acids, enzymes, and other bioactive compounds, catering to industries such as food, pharmaceuticals, and cosmetics. With a strong emphasis on research and innovation, Hayashibara aims to advance biochemistry and biotechnology, contributing to health and wellness solutions globally while maintaining a commitment to sustainability and quality.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

30 Patents

#7 in Okayama

#2,310 in Japan

#21,929 in the World

Hayashibara Biochemical Laboratories, Inc.

Forward Citations = 512

43 inventors:

Kozo Tsuji (19 out of 35 patents)

Fumio Fujita (8 out of 19 patents)

Nobuhiro Toyota (7 out of 7 patents)

4. Seizo Nakashio (6 out of 6 patents)

5. Masanori Fujimoto (6 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hayashibara Biochemical Laboratories, Inc.. Retrieved from https://idiyas.com/company/hayashibara-biochemical-laboratories

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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