% Expired Patents = 33.3

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 28

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18 inventors (with patents filed for the assignee):

Shuitsu Fujii (3 out of 6 patents)

Takuya Urayama (2 out of 2 patents)

Kazunari Fujioka (2 out of 2 patents)

4. Takamichi Kishira (2 out of 2 patents)

5. Toshihiro Takahara (2 out of 2 patents)

6. Katsumi Oi (1 out of 1 patent)

7. Noriyoshi Sato (1 out of 7 patents)

8. Raju Ramasamy (1 out of 1 patent)

9. Masahiko Uchiyama (1 out of 1 patent)

10. Takeshi Taniguchi (1 out of 2 patents)

11. Hiroshi Mase (1 out of 1 patent)

12. Tamiya Fujiwara (1 out of 1 patent)

13. Etsuro Kawata (1 out of 2 patents)

14. Kenta Nakamura (1 out of 1 patent)

15. Takehiro Okazaki (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 11875968 - High frequency power source allowing arbitrary setting of temporal change pattern for high frequency output power (2024-01-16),

2. 11651938 - Impedance matching device provided in high-frequency power system (2023-05-16),

3. 9526160 - Cavity resonator of microwave plasma generating apparatus (2016-12-20),

4. 7858899 - Coaxial microwave plasma torch (2010-12-28),

5. 7795818 - Microwave plasma generation method and microwave plasma generator (2010-09-14),

6. 7514377 - Plasma generator, ozone generator, substrate processing apparatus and manufacturing method of semiconductor device (2009-04-07),

Company Overview

Adtec Plasma Technology Co., Ltd. is a leading manufacturer of plasma cleaning and surface treatment equipment. With innovative technology and a commitment to quality, we provide solutions for various industries including semiconductor, automotive, and medical. Our advanced plasma systems are designed to improve productivity and efficiency while reducing environmental impact. Visit our website for more information.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#53 in Hiroshima, 729-3431

#5,989 in Japan

Hiroshima, Japan

Adtec Plasma Technology Co., Ltd.

Forward Citations = 28

18 inventors:

Shuitsu Fujii (3 out of 6 patents)

Takuya Urayama (2 out of 2 patents)

Kazunari Fujioka (2 out of 2 patents)

4. Takamichi Kishira (2 out of 2 patents)

5. Toshihiro Takahara (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Adtec Plasma Technology Co., Ltd.. Retrieved from https://idiyas.com/company/adtec-plasma-technology-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]

1 patent (CIPO):

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]