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Higashiosaka-Shi, Osaka, Japan

Tanazawa Hakkosha Co., Ltd.

USPTO Granted Patents = 11

EPO Patents = 3

Trademarks = 7

Forward Citations = 36

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18 inventors (with patents filed for the assignee):

Mitsushi Sogabe (5 out of 5 patents)

Keiichiro Yamamoto (4 out of 4 patents)

Kazuo Tani (3 out of 3 patents)

4. Masaharu Yano (3 out of 3 patents)

5. Masayuki Sakai (2 out of 2 patents)

6. Hisao Aota (2 out of 2 patents)

7. Sadayuki Yoneshima (2 out of 3 patents)

8. Kazuhiro Sasamoto (1 out of 1 patent)

9. Tsuyoshi Tamaki (1 out of 1 patent)

10. Kenichi Ueda (1 out of 14 patents)

11. Hiroyuki Koike (1 out of 1 patent)

12. Yukihiro Hata (1 out of 1 patent)

13. Melanie Eurich (1 out of 1 patent)

14. Frederik Eurich (1 out of 1 patent)

15. Frederik Eurich (0 patent)

11 patents: Sort by Forward Citations

1. 12441030 - Resin molding die, method for manufacturing resin molding die, method for manufacturing resin molded article, and system for manufacturing resin molded article (2025-10-14),

2. 12328814 - Printed wiring board and method for manufacturing printed wiring board (2025-06-10),

3. 11979982 - Printed wiring board and method for manufacturing printed wiring board (2024-05-07),

4. 11754617 - Printed circuit board (2023-09-12),

5. 10773426 - Resin molding mold (2020-09-15),

6. 10124514 - Resin molding mold (2018-11-13),

7. 10015876 - Printed board and method for manufacturing same (2018-07-03),

8. 9434094 - Molding die and method for manufacturing same (2016-09-06),

9. 9174365 - Method of manufacturing a mold part (2015-11-03),

10. 7745103 - Product with concave-convex pattern on its surface and method of forming the concave-convex pattern (2010-06-29),

11. 4919388 - Plastics shaping mold having patterned resin layer (1990-04-24),

Tanazawa Hakkosha Co., Ltd. is a leading manufacturer of high-quality chemicals and materials for various industries. With a strong focus on innovation and sustainability, Tanazawa Hakkosha is committed to delivering top-notch products that meet the needs and expectations of customers worldwide. Their wide range of products includes specialty chemicals, pharmaceutical intermediates, and performance materials.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#1 in Higashiosaka-Shi, Osaka

#4,039 in Japan

#50,159 in the World

Higashiosaka-Shi, Osaka, Japan

Tanazawa Hakkosha Co., Ltd.

Forward Citations = 36

18 inventors:

Mitsushi Sogabe (5 out of 5 patents)

Keiichiro Yamamoto (4 out of 4 patents)

Kazuo Tani (3 out of 3 patents)

4. Masaharu Yano (3 out of 3 patents)

5. Masayuki Sakai (2 out of 2 patents)

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