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Solar Frontier K.k.

USPTO Granted Patents = 27

% Expired Patents = 40.7

EPO Patents = 10

Forward Citations = 15

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47 inventors (with patents filed for the assignee):

Hiroki Sugimoto (8 out of 22 patents)

Homare Hiroi (4 out of 4 patents)

Shoubin Zhang (4 out of 13 patents)

4. Oki Gunawan (3 out of 94 patents)

5. Jeehwan Kim (3 out of 192 patents)

6. Masahiro Shoji (3 out of 6 patents)

7. Hideki Hakuma (3 out of 8 patents)

8. David Brian Mitzi (3 out of 54 patents)

9. Tatsuji Kanbara (2 out of 2 patents)

10. Bagwadkar Ninad (2 out of 2 patents)

11. Mitsuru Arasaki (2 out of 2 patents)

12. Takehiro Itami (2 out of 2 patents)

13. Yoshiya Nishijima (2 out of 2 patents)

14. Keita Umemoto (2 out of 5 patents)

15. Daisuke Itou (2 out of 2 patents)

Core Competencies:

Solar Cell Module

Recycling Method

Thin-Film Photovoltaic

Sputtering Target

Flexible Device

Photoelectric Conversion

Manufacturing Method

CIS-Based

Compound-Based

Fastening Device

Substrate-Free

Mounting Device

27 patents: Sort by Forward Citations

1. 12138898 - Solar cell module recycling method and recycling device (2024-11-12),

2. 11183611 - Substrate-free thin-film flexible photovoltaic device and fabrication method (2021-11-23),

3. 10958207 - Attachment structure of photovoltaic cell module (2021-03-23),

4. 10930805 - Photoelectric conversion module (2021-02-23),

5. 10883169 - Sputtering target and method for producing sputtering target (2021-01-05),

6. 10648698 - Securing fixture for photovoltaic cell module (2020-05-12),

7. 10608578 - Fastening device and fastening method of solar cell module (2020-03-31),

8. 10580928 - Substrate-free thin-film flexible photovoltaic device and fabrication method (2020-03-03),

9. 10436479 - Fixture for solar cell module (2019-10-08),

10. 10312394 - Photovoltaic cell module (2019-06-04),

11. 10224864 - Solar cell module mounting device (2019-03-05),

12. 10211355 - Solar cell module (2019-02-19),

13. 10103681 - Retaining device for solar cell module (2018-10-16),

14. 9988710 - Sputtering target and method for producing same (2018-06-05),

15. 9799792 - Substrate-free thin-film flexible photovoltaic device and fabrication method (2017-10-24),

Company Overview

Solar Frontier K.K. is a leading solar energy company based in Tokyo, Japan, specializing in the development and manufacturing of thin-film solar photovoltaic modules. The company focuses on innovative solar technology that enhances energy efficiency and sustainability. By leveraging advanced materials and production techniques, Solar Frontier aims to provide high-performance solar solutions for various applications, contributing to the global transition towards renewable energy sources and addressing environmental challenges.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

27 Patents

#1,137 in Tokyo

#2,455 in Japan

#24,012 in the World

Solar Frontier K.k.

Forward Citations = 15

47 inventors:

Hiroki Sugimoto (8 out of 22 patents)

Homare Hiroi (4 out of 4 patents)

Shoubin Zhang (4 out of 13 patents)

4. Oki Gunawan (3 out of 94 patents)

5. Jeehwan Kim (3 out of 192 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Solar Frontier K.k.. Retrieved from https://idiyas.com/company/solar-frontier-k-k

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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