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Nihon Cement Co., Ltd.

USPTO Granted Patents = 24

Forward Citations = 194

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55 inventors (with patents filed for the assignee):

Yukio Kishi (5 out of 5 patents)

Keiji Yamabe (2 out of 2 patents)

Masao Yoshinaga (2 out of 3 patents)

4. Chitake Yamagishi (2 out of 2 patents)

5. Takaharu Goto (2 out of 2 patents)

6. Yukinori Yamazaki (2 out of 2 patents)

7. Kanesuke Kasahara (2 out of 3 patents)

8. Kazushige Suzuki (2 out of 2 patents)

9. Tooru Tanibe (2 out of 2 patents)

10. Michio Ootani (2 out of 2 patents)

11. Noboru Nishimoto (2 out of 2 patents)

12. Yuukou Ishikawa (2 out of 2 patents)

13. Kenji Kawasaki (1 out of 68 patents)

14. Nobuyuki Kojima (1 out of 46 patents)

15. Yutaka Maruyama (1 out of 53 patents)

24 patents: Sort by Forward Citations

1. 5834106 - Ceramic substrate and producing process thereof, and a suction carrier (1998-11-10),

2. 5770916 - Laminated piezoelectric element and vibration wave actuator (1998-06-23),

3. 5731251 - Oxide ceramic sintered bodies (1998-03-24),

4. 5700414 - Heat-insulating panel serving as concrete form and method of (1997-12-23),

5. 5669127 - Method of manufacturing an electro-mechanical energy conversion device (1997-09-23),

6. 5665663 - Method for manufacturing oxide ceramic sintered bodies (1997-09-09),

7. 5650366 - Ceramic mirrors (1997-07-22),

8. 5631075 - Heat-insulating panel serving as concrete form (1997-05-20),

9. 5547505 - Compositions for low heat cements (1996-08-20),

10. 5492872 - Ceramic mirrors and method of manufacturing same (1996-02-20),

11. 5302329 - Process for producing .beta.-sialon based sintered bodies (1994-04-12),

12. 5209613 - Diamond tool and method of producing the same (1993-05-11),

13. 5181961 - Cement composition (1993-01-26),

14. 4984675 - Article sorting device (1991-01-15),

15. 4941561 - Article sorting device (1990-07-17),

Company Overview

Nihon Cement Co., Ltd. is a prominent player in the cement and construction materials industry, headquartered in Tokyo, Japan. The company specializes in the development and manufacturing of high-quality cement products, contributing to various construction projects across the region. With a focus on innovation, Nihon Cement invests in research and technology to enhance the sustainability and efficiency of its offerings, addressing the evolving needs of the construction sector while adhering to environmental standards.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

24 Patents

#1,215 in Tokyo

#2,636 in Japan

#26,686 in the World

Nihon Cement Co., Ltd.

Forward Citations = 194

55 inventors:

Yukio Kishi (5 out of 5 patents)

Keiji Yamabe (2 out of 2 patents)

Masao Yoshinaga (2 out of 3 patents)

4. Chitake Yamagishi (2 out of 2 patents)

5. Takaharu Goto (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nihon Cement Co., Ltd.. Retrieved from https://idiyas.com/company/nihon-cement-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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