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Spp Technologies Co., Ltd.

USPTO Granted Patents = 15

EPO Patents = 20

Trademarks = 3

Forward Citations = 11

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28 inventors (with patents filed for the assignee):

Shoichi Murakami (6 out of 9 patents)

Yasuyuki Hayashi (3 out of 3 patents)

Toshihiro Hayami (3 out of 4 patents)

4. Masayasu Hatashita (3 out of 5 patents)

5. Yoshiyuki Nozawa (3 out of 4 patents)

6. Takashi Yamamoto (3 out of 18 patents)

7. Hiroshi Taka (2 out of 2 patents)

8. Masaya Yamawaki (2 out of 4 patents)

9. Naoya Ikemoto (2 out of 2 patents)

10. Takeshi Habe (2 out of 2 patents)

11. Norihiro Tsujioka (2 out of 2 patents)

12. Ryosuke Fujii (1 out of 3 patents)

13. Kenichi Tomisaka (1 out of 1 patent)

14. Akimitsu Oishi (1 out of 3 patents)

15. Masahiko Tanaka (1 out of 2 patents)

15 patents: Sort by Forward Citations

1. 12243210 - Maintenance support system, maintenance support method, program, method for generating processed image, and processed image (2025-03-04),

2. 11785184 - Maintenance support system, maintenance support method, and program (2023-10-10),

3. 11393664 - Substrate placing table, plasma processing apparatus provided with same, and plasma processing method (2022-07-19),

4. 11195697 - Plasma control apparatus (2021-12-07),

5. 10559459 - Method for producing silicon nitride film and silicon nitride film (2020-02-11),

6. 10280084 - Silicon nitride film and method of making thereof (2019-05-07),

7. 10204768 - Etching device, plasma processing device (2019-02-12),

8. 9123542 - Plasma etching method (2015-09-01),

9. 9117660 - Apparatus, method and program for manufacturing nitride film (2015-08-25),

10. 8859434 - Etching method (2014-10-14),

11. 8852388 - Plasma processor (2014-10-07),

12. 8771461 - Plasma processing apparatus (2014-07-08),

13. 8628676 - Plasma etching method (2014-01-14),

14. 8546265 - Method, apparatus and program for manufacturing silicon structure (2013-10-01),

15. 8518283 - Plasma etching method capable of detecting end point and plasma etching device therefor (2013-08-27),

SPP Technologies Co., Ltd. is a leading technology company specializing in providing innovative software solutions. With a strong focus on research and development, we strive to deliver cutting-edge products and services to our clients. Our diverse range of offerings includes software development, website design, mobile app development, and IT consulting. By leveraging the latest technologies and industry best practices, we help businesses streamline their operations, enhance productivity, and achieve their goals. Visit our website to learn more about our services and how we can assist you in driving digital transformation in your organization.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

15 Patents

#1,346 in Tokyo

#3,367 in Japan

#38,698 in the World

Spp Technologies Co., Ltd.

Forward Citations = 11

28 inventors:

Shoichi Murakami (6 out of 9 patents)

Yasuyuki Hayashi (3 out of 3 patents)

Toshihiro Hayami (3 out of 4 patents)

4. Masayasu Hatashita (3 out of 5 patents)

5. Yoshiyuki Nozawa (3 out of 4 patents)

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