% Expired Patents = 25.0

EPO Patents = 1

Forward Citations = 4

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9 inventors (with patents filed for the assignee):

Ken Okamoto (4 out of 12 patents)

Tadahisa Arahori (4 out of 7 patents)

Akishige Sato (2 out of 2 patents)

4. Sachio Miyashita (2 out of 2 patents)

5. Eiji Kusano (2 out of 2 patents)

6. Muneaki Sakamoto (2 out of 2 patents)

7. Katsuaki Nakano (1 out of 6 patents)

8. Junichi Itoh (1 out of 2 patents)

9. Daisuke Hiramatsu (1 out of 2 patents)

10. Yasuki Yoshitomi (2 patents)

4 patents: Sort by Forward Citations

1. 10504706 - Sputtering target and method for producing the same (2019-12-10),

2. 9824868 - Sputtering target and method for producing the same (2017-11-21),

3. 8231967 - Surface-treated ceramic member, method for producing the same and vacuum processing apparatus (2012-07-31),

4. 8158544 - Yttria sintered body and component used for plasma processing apparatus (2012-04-17),

Company Overview

Ferrotec Ceramics Corporation is a leading manufacturer of advanced ceramics, with a focus on producing high-quality, innovative products for a wide range of industries. With a global presence and a commitment to research and development, Ferrotec Ceramics Corporation is dedicated to providing cutting-edge solutions for its customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#3,053 in Tokyo

#7,573 in Japan

Tokyo, Japan

Ferrotec Ceramics Corporation

Forward Citations = 4

9 inventors:

Ken Okamoto (4 out of 12 patents)

Tadahisa Arahori (4 out of 7 patents)

Akishige Sato (2 out of 2 patents)

4. Sachio Miyashita (2 out of 2 patents)

5. Eiji Kusano (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ferrotec Ceramics Corporation. Retrieved from https://idiyas.com/company/ferrotec-ceramics

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]

1 patent (EPO):

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]