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Chigasaki, Japan

Toho Titanium Co., Ltd.

USPTO Granted Patents = 133

% Expired Patents = 9.0

CIPO Patents = 2

EPO Patents = 41

Trademarks = 4

Forward Citations = 1,306

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147 inventors (with patents filed for the assignee):

Motoki Hosaka (27 out of 30 patents)

Toshiya Uozumi (19 out of 19 patents)

Toshihiko Sugano (16 out of 16 patents)

4. Minoru Terano (13 out of 13 patents)

5. Masuo Inoue (13 out of 13 patents)

6. Hiroyuki Kono (9 out of 10 patents)

7. Hideki Sakai (9 out of 27 patents)

8. Hideo Takatori (8 out of 9 patents)

9. Katsuyoshi Miyoshi (8 out of 8 patents)

10. Shingo Yamada (7 out of 7 patents)

11. Matsuhide Horikawa (7 out of 7 patents)

12. Wataru Kagohashi (7 out of 7 patents)

13. Atsushi Murai (7 out of 7 patents)

14. Hisamune Tanaka (6 out of 6 patents)

15. Norio Yamamoto (6 out of 6 patents)

Core Competencies:

Olefin Polymerization

Catalyst Production

Titanium-Based Materials

Porous Metal Bodies

Rare-Earth Metal Recovery

Alkali Metal Titanate

Lithium Batteries

High Purity Silicon

Metal Melting Processes

Sintered Bodies

Electron Beam Melting

133 patents: Sort by Forward Citations

1. 12735525 - Method for producing catalyst for polymerization of olefin, catalyst for polymerization of olefin, and method for producing polymer of olefin (2026-09-15),

2. 12668858 - Titanium porous body, and method for producing titanium porous body (2026-06-30),

3. 12624133 - Solid catalyst component for polymerization of olefin and method for producing the same, catalyst for polymerization of olefin and method for producing the same, and method for producing polymer of olefin (2026-05-12),

4. 12428503 - Method for producing catalyst for polymerization of olefin and catalyst for polymerization of olefin (2025-09-30),

5. 12331138 - Method for producing catalyst for olefin polymerization (2025-06-17),

6. 12103082 - Method for producing green compact and method for producing sintered body (2024-10-01),

7. 12090549 - Method for manufacturing porous metal body, and porous metal body (2024-09-17),

8. 12060378 - Solid catalyst component for olefin polymerization, method for producing solid catalyst component for olefin polymerization, method for producing catalyst for olefin polymerization and method for producing polymer of olefin (2024-08-13),

9. 11975388 - Titanium-based porous body and method for producing titanium-based porous body (2024-05-07),

10. 11912796 - Olefin polymer and method for producing olefin polymer (2024-02-27),

11. 11649554 - Method for producing metal titanium (2023-05-16),

12. 11566677 - Alkali metal titanate, method for producing alkali metal titanate, and friction material (2023-01-31),

13. 11554415 - Porous titanium-based sintered body, method for producing the same, and electrode (2023-01-17),

14. 11502307 - Manufacturing method of gas diffusion layer with microporous layer, and manufacturing method of fuel cell (2022-11-15),

15. 11502305 - Titanium-based porous body and method of producing the same (2022-11-15),

Company Overview

Toho Titanium Co., Ltd., based in Chigasaki, Japan, specializes in the development and production of advanced titanium-based materials and catalysts for olefin polymerization. The company is recognized for its expertise in creating porous metal bodies and recovering rare-earth metals, contributing to various industries including energy storage solutions such as lithium batteries. With a strong focus on innovation, Toho Titanium is committed to enhancing the performance and sustainability of its products through cutting-edge technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

133 Patents

#2 in Chigasaki

#932 in Japan

#6,056 in the World

Chigasaki, Japan

Toho Titanium Co., Ltd.

Forward Citations = 1,306

147 inventors:

Motoki Hosaka (27 out of 30 patents)

Toshiya Uozumi (19 out of 19 patents)

Toshihiko Sugano (16 out of 16 patents)

4. Minoru Terano (13 out of 13 patents)

5. Masuo Inoue (13 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toho Titanium Co., Ltd.. Retrieved from https://idiyas.com/company/toho-titanium-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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