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For the Inventor, By the Inventor

Tokyo, Japan

Taiheiyo Cement Corporation


USPTO Granted Patents = 94

% Expired Patents = 30.9



Trademarks = 5

Forward Citations = 420

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183 inventors (with patents filed for the assignee):

goldMedal Shinichiro Saito (18 out of 20 patents)

silverMedal Takeshi Fujimura (9 out of 10 patents)

bronzeMedal Katsuyuki Ishikawa (9 out of 10 patents)

4.  Masaaki Toyama (8 out of 8 patents)

5.  Yuya Sano (7 out of 7 patents)

6.  Tomoki Hatsumori (7 out of 7 patents)

7.  Junichi Terasaki (7 out of 7 patents)

8.  Hiroki Yamashita (6 out of 6 patents)

9.  Takaaki Ogami (6 out of 6 patents)

10.  Kouki Ichitsubo (5 out of 5 patents)

11.  Naoki Ueno (5 out of 5 patents)

12.  Kouichi Naitou (4 out of 4 patents)

13.  Yutaka Maruyama (4 out of 53 patents)

14.  Kenichi Honma (4 out of 4 patents)

15.  Soichiro Okamura (4 out of 10 patents)


Core Competencies:
Cement Composition
Cement Kiln
CO2 Fixation
Hydraulic Composition
Positive Electrode Material
Waste Processing
Combustion Gas Treatment
Silicon Carbide
Heavy Concrete
Piezoelectric Device
Dust Treatment
Battery Technology

94 patents:

1. 12729852 - Combustible waste treatment method (2026-09-08),
2. 12704252 - Cement kiln burner and method for operating same (2026-08-11),
3. 12583791 - Roadbed material production method (2026-03-24),
4. 12515985 - Cement clinker production system and cement clinker production method (2026-01-06),
5. 12275675 - Combustion gas bleeding probe and method for operating same (2025-04-14),
6. 12186704 - Carbon dioxide fixation method (2025-01-07),
7. 12054426 - Hydraulic composition for additive manufacturing device, and method for producing casting mold (2024-08-06),
8. 11878268 - Carbon dioxide fixation method (2024-01-23),
9. 11742485 - Positive-electrode active material for secondary cell, and method for manufacturing the same (2023-08-29),
10. 11655190 - Hydraulic composition for additive manufacturing device, and process for producing casting mold (2023-05-23),
11. 11646405 - Positive electrode active substance for secondary cell and method for producing same (2023-05-09),
12. 11428402 - Cement kiln burner device and method for operating the same (2022-08-30),
13. 11421871 - Combustible waste injection device and method for operating the same (2022-08-23),
14. 11306915 - Cement kiln burner device and method for operating the same (2022-04-19),
15. 11173539 - Hydraulic composition for additive manufacturing device and method of manufacturing casting mold (2021-11-16),
Company Overview
Taiheiyo Cement Corporation, headquartered in Tokyo, Japan, is a leading player in the cement production industry. The company specializes in the development and manufacturing of various cement products, focusing on innovative technologies such as cement composition and hydraulic composition. Taiheiyo is also engaged in advanced research areas including CO2 fixation, waste processing, and combustion gas treatment, contributing to sustainable construction practices and environmental conservation. Its expertise extends to materials like silicon carbide and positive electrode materials.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Taiheiyo Cement Corporation USPTO Patent Assignee Logo
94 Patents

#565 in Tokyo

#1,167 in Japan

#8,194 in the World

Tokyo, JP
Tokyo, Japan

Taiheiyo Cement Corporation

Forward Citations = 420

183 inventors:

goldMedal Shinichiro Saito (18 out of 20 patents)

silverMedal Takeshi Fujimura (9 out of 10 patents)

bronzeMedal Katsuyuki Ishikawa (9 out of 10 patents)

4.  Masaaki Toyama (8 out of 8 patents)

5.  Yuya Sano (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Taiheiyo Cement Corporation. Retrieved from https://idiyas.com/company/taiheiyo-cement

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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