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Kabushikikaisha Shofu

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USPTO Granted Patents = 88

% Expired Patents = 20.5

EPO Patents = 35

Forward Citations = 362

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110 inventors (with patents filed for the assignee):

Yusei Kadobayashi (24 out of 46 patents)

Mikito Deguchi (11 out of 11 patents)

Toshiyuki Nakatsuka (9 out of 26 patents)

4. Kunihiro Fujii (9 out of 10 patents)

5. Toshihide Fujii (9 out of 9 patents)

6. Hisaki Tanaka (8 out of 8 patents)

7. Jun Uchida (6 out of 10 patents)

8. Mitsuji Teramae (6 out of 12 patents)

9. Naoya Kitada (6 out of 11 patents)

10. Kazuya Shinno (6 out of 9 patents)

11. Noriyuki Negoro (6 out of 12 patents)

12. Hirokazu Sato (6 out of 9 patents)

13. Kunio Ikemura (6 out of 7 patents)

14. Katsuya Kimoto (5 out of 13 patents)

15. Hiroyuki Kobayashi (5 out of 10 patents)

Core Competencies:

Dental Adhesive

Curable Composition

Prosthetic Device

Dental Materials

Glass Ionomer Cement

Polishing Instrument

Artificial Teeth

Abrasive Disc

Photopolymerization

Mixing Container

Occlusion Evaluation

Dental Conditioning

88 patents: Sort by Forward Citations

1. 12734022 - Denture base and manufacturing method for the same (2026-09-15),

2. D1140021 - Base for artificial teeth (2026-08-04),

3. 12479714 - Dental paste filling device and method (2025-11-25),

4. 12194684 - Post-curing method after optical shaping of 3D printer (2025-01-14),

5. 12194114 - Dental glass ionomer cement composition suitable for mechanical mixing (2025-01-14),

6. 12152045 - Silane coupling compounds and medical and/or dental curable compositions comprising the same (2024-11-26),

7. 12053337 - Array device, array method, and manufacturing method of array device (2024-08-06),

8. 11980522 - Method and apparatus for designing dental prosthetic device (2024-05-14),

9. 11947794 - Data management system (2024-04-02),

10. 11877902 - Reinforcing-structure simultaneous-embedding-type plate denture and method of fabricating the same (2024-01-23),

11. 11866590 - Diisocyanate-based radical polymerizable silane coupling compound having an urethane bond (2024-01-09),

12. D1003718 - Cap for bottle (2023-11-07),

13. 11793614 - Method for producing denture with high accuracy of fitting of artificial tooth to socket (2023-10-24),

14. 11779524 - Photopolymerization initiator comprising an aryliodonium salt for dental photocurable compositions (2023-10-10),

15. 11731814 - Hinge cap and hinge cap set (2023-08-22),

Company Overview

Kabushikikaisha Shofu, headquartered in Kyoto, Japan, specializes in the development and manufacturing of innovative dental materials. The company focuses on a range of core technologies including dental adhesives, curable compositions, and glass ionomer cements, which are essential for modern dental practices. Shofu also produces prosthetic devices, polishing instruments, and abrasive discs, contributing to advancements in dental care and enhancing the quality of dental treatments worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

88 Patents

#46 in Kyoto 615-0031

#1,221 in Japan

#8,695 in the World

Kabushikikaisha Shofu

Forward Citations = 362

110 inventors:

Yusei Kadobayashi (24 out of 46 patents)

Mikito Deguchi (11 out of 11 patents)

Toshiyuki Nakatsuka (9 out of 26 patents)

4. Kunihiro Fujii (9 out of 10 patents)

5. Toshihide Fujii (9 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kabushikikaisha Shofu. Retrieved from https://idiyas.com/company/kabushikikaisha-shofu

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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