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Ndc Company Ltd.

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USPTO Granted Patents = 16

% Expired Patents = 12.5

Trademarks = 1

Forward Citations = 154

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31 inventors (with patents filed for the assignee):

Takeshi Sakai (5 out of 6 patents)

Masahito Fujita (5 out of 5 patents)

Hiroyoshi Kikuchi (3 out of 3 patents)

4. Noboru Okabe (3 out of 3 patents)

5. Katsuji Tanizaki (2 out of 2 patents)

6. Tsuyoshi Ohsaki (2 out of 3 patents)

7. Toru Morimoto (2 out of 4 patents)

8. Toshinaga Ohgaki (2 out of 2 patents)

9. Masahiko Shioda (1 out of 11 patents)

10. Hiroyuki Sugawara (1 out of 1 patent)

11. Koue Ohkawa (1 out of 1 patent)

12. Yasukuni Hasegawa (1 out of 1 patent)

13. Yasushi Saitou (1 out of 1 patent)

14. Tsuneo Ito (1 out of 1 patent)

15. Takeshi Shindo (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 6953282 - Linear guide plain bearing (2005-10-11),

2. 6696168 - Aluminum-base composite bearing material and method of producing the same (2004-02-24),

3. 6197432 - Sliding material having excellent abrasion resistance (2001-03-06),

4. 5788737 - Aluminum base sintered material (1998-08-04),

5. 5174015 - Apparatus for manufacturing cylindrical slide bearing (1992-12-29),

6. 5104444 - Aluminum matrix bearing metal alloy (1992-04-14),

7. 5073693 - Method for joining metallic members (1991-12-17),

8. 4999257 - Bearing material for an internal combustion engine and compressor (1991-03-12),

9. 4928550 - Sliding bearing and crankshaft used for crankshaft-connecting rod (1990-05-29),

10. 4923761 - Bearing material having multiple layer therein and a method of (1990-05-08),

11. 4857267 - Aluminum base bearing alloy and method of producing same (1989-08-15),

12. 4789607 - Aluminum bearing alloy and two-layer bearing material having bearing (1988-12-06),

13. 4767677 - Multi-layer cylindrical bearing (1988-08-30),

14. 4582368 - Dry bearing (1986-04-15),

15. 4552719 - Method of sintering stainless steel powder (1985-11-12),

Company Overview

Ndc Company Ltd., based in Chiba, Japan, specializes in the development and manufacturing of advanced electronic components and systems. The company focuses on innovative solutions in various sectors, including telecommunications, automotive, and industrial automation. With a commitment to research and development, Ndc aims to enhance connectivity and efficiency through cutting-edge technology. Their expertise in electronic engineering positions them as a key player in the evolving landscape of smart technologies and integrated systems.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

16 Patents

#45 in Chiba

#3,345 in Japan

#37,887 in the World

Ndc Company Ltd.

Forward Citations = 154

31 inventors:

Takeshi Sakai (5 out of 6 patents)

Masahito Fujita (5 out of 5 patents)

Hiroyoshi Kikuchi (3 out of 3 patents)

4. Noboru Okabe (3 out of 3 patents)

5. Katsuji Tanizaki (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ndc Company Ltd.. Retrieved from https://idiyas.com/company/ndc-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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