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Chiyoda-ku, Japan

Japan Technological Research Association of Artificial Photosynthetic Chemical Process

USPTO Granted Patents = 19

EPO Patents = 1

Forward Citations = 3

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35 inventors (with patents filed for the assignee):

Kazunari Domen (10 out of 13 patents)

Naotoshi Sato (4 out of 4 patents)

Seiji Akiyama (4 out of 6 patents)

4. Chisato Katayama (3 out of 3 patents)

5. Hiroshi Nishiyama (2 out of 2 patents)

6. Tomohiro Higashi (2 out of 2 patents)

7. Yutaka Sasaki (2 out of 2 patents)

8. Taro Yamada (2 out of 2 patents)

9. Yohichi Suzuki (2 out of 2 patents)

10. Jiro Tsukahara (2 out of 36 patents)

11. Masahiro Hara (2 out of 5 patents)

12. Toshiyuki Yokoi (2 out of 10 patents)

13. Tsutomu Minegishi (2 out of 4 patents)

14. Takashi Hisatomi (2 out of 3 patents)

15. Hiroaki Onozuka (2 out of 2 patents)

19 patents: Sort by Forward Citations

1. 12344945 - Transparent electrode for oxygen production, method for producing same, tandem water decomposition reaction electrode provided with same, and oxygen production device using same (2025-07-01),

2. 12257557 - Bonded body, separation membrane module equipped with same, and method for producing alcohol (2025-03-25),

3. 11766667 - Zeolite catalyst and method for producing lower olefin (2023-09-26),

4. 11424080 - Method of producing composite photocatalyst (2022-08-23),

5. 11248304 - Transparent electrode for oxygen production, method for producing same, tandem water decomposition reaction electrode provided with same, and oxygen production device using same (2022-02-15),

6. 10914013 - Photocatalyst electrode for oxygen generation and module (2021-02-09),

7. 10478810 - Zeolite catalyst and method for producing lower olefin (2019-11-19),

8. 10465299 - Gas production apparatus (2019-11-05),

9. 10392714 - Artificial-photosynthesis module (2019-08-27),

10. 10384195 - Artificial photosynthesis module (2019-08-20),

11. 10351964 - Artificial photosynthesis module (2019-07-16),

12. 10351961 - Water decomposition apparatus and water decomposition method (2019-07-16),

13. 10337112 - Method for producing photocatalyst electrode for water decomposition (2019-07-02),

14. 10332690 - Method of producing composite photocatalyst and composite photocatalyst (2019-06-25),

15. 10320005 - Bismuth-vanadate-laminate manufacturing method and bismuth-vanadate laminate (2019-06-11),

Japan Technological Research Association of Artificial Photosynthetic Chemical Process (JTRAPC) is an organization dedicated to the research and development of artificial photosynthetic chemical processes. Their aim is to promote sustainable and efficient energy production through the use of artificial photosynthetic technologies. JTRAPC conducts advanced research in the field and collaborates with various industrial and academic partners to drive innovation and contribute to the energy transition.

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Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

19 Patents

#13 in Chiyoda-ku

#2,971 in Japan

#31,645 in the World

Chiyoda-ku, Japan

Japan Technological Research Association of Artificial Photosynthetic Chemical Process

Forward Citations = 3

35 inventors:

Kazunari Domen (10 out of 13 patents)

Naotoshi Sato (4 out of 4 patents)

Seiji Akiyama (4 out of 6 patents)

4. Chisato Katayama (3 out of 3 patents)

5. Hiroshi Nishiyama (2 out of 2 patents)

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