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Philtech Inc.

USPTO Granted Patents = 18

% Expired Patents = 66.7

Forward Citations = 67

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15 inventors (with patents filed for the assignee):

Yuji Furumura (18 out of 34 patents)

Naomi Mura (13 out of 13 patents)

Shinji Nishihara (12 out of 42 patents)

4. Katsuhiko Mishima (7 out of 8 patents)

5. Katsuhiro Fujino (7 out of 9 patents)

6. Susumu Kamihashi (7 out of 7 patents)

7. Noriyoshi Shimizu (5 out of 50 patents)

8. Masato Ishikawa (1 out of 25 patents)

9. Eri Haikata (1 out of 1 patent)

10. Toshio Hayashi (1 out of 12 patents)

11. Koki Tamagawa (1 out of 10 patents)

12. Tadayoshi Yoshikawa (1 out of 6 patents)

13. Michio Ishikawa (1 out of 12 patents)

14. Hiroshi Yonekura (1 out of 4 patents)

15. Yasuhiro Morikawa (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 10428422 - Film-forming method (2019-10-01),

2. 9915483 - Fluid heat exchanging apparatus (2018-03-13),

3. 9709340 - Fluid heat exchanging apparatus (2017-07-18),

4. 9340736 - Solid gasification apparatus (2016-05-17),

5. 8933784 - RF powder particle, RF powder, and RF powder-containing base (2015-01-13),

6. 8766853 - Method for adding RF powder and RF powder-added base sheet (2014-07-01),

7. 8766802 - Base data management system (2014-07-01),

8. 8724978 - Fluid heating-cooling cylinder device (2014-05-13),

9. 8704202 - RF powder particles including an inductance element, a capacitance element, and a photovoltaic cell and method for exciting RF powder (2014-04-22),

10. 8686743 - Substrate, substrate holding apparatus, analysis apparatus, program, detection system, semiconductor device, display apparatus, and semiconductor manufacturing apparatus (2014-04-01),

11. 8477072 - Radio frequency (RF) particles (2013-07-02),

12. 8440487 - Methods for manufacturing radio frequency (RF) powder (2013-05-14),

13. 8318047 - Method for providing RF powder and RF powder-containing liquid (2012-11-27),

14. 8237622 - Base sheet (2012-08-07),

15. 8188924 - RF powder and method for manufacturing the same (2012-05-29),

Company Overview

Philtech Inc., based in Tokyo, specializes in advanced technology solutions, focusing on the development and manufacturing of high-performance electronic components and systems. The company is recognized for its expertise in areas such as telecommunications, automotive electronics, and industrial automation. With a commitment to innovation, Philtech Inc. aims to enhance connectivity and efficiency across various sectors, contributing to the evolution of smart technologies in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

18 Patents

#1,413 in Tokyo

#3,121 in Japan

#34,187 in the World

Philtech Inc.

Forward Citations = 67

15 inventors:

Yuji Furumura (18 out of 34 patents)

Naomi Mura (13 out of 13 patents)

Shinji Nishihara (12 out of 42 patents)

4. Katsuhiko Mishima (7 out of 8 patents)

5. Katsuhiro Fujino (7 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Philtech Inc.. Retrieved from https://idiyas.com/company/philtech

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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