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Sanko Co., Ltd.

USPTO Granted Patents = 31

CIPO Patents = 2

EPO Patents = 12

Trademarks = 3

Forward Citations = 180

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42 inventors (with patents filed for the assignee):

Hisatoshi Yamauchi (6 out of 6 patents)

Akihiko Yoshizato (3 out of 6 patents)

Yoshito Nakagawa (3 out of 3 patents)

4. Shigeru Oda (3 out of 12 patents)

5. Yoshimi Ishibashi (2 out of 2 patents)

6. Ryoichi Kinishi (2 out of 2 patents)

7. Naoki Komiya (2 out of 2 patents)

8. Kazuhiko Miyata (2 out of 2 patents)

9. Daishiro Kishimoto (2 out of 8 patents)

10. Fukashi Urakami (2 out of 2 patents)

11. Tomio Kimura (1 out of 42 patents)

12. Akira Inoue (1 out of 127 patents)

13. Hiroyuki Tano (1 out of 1 patent)

14. Hidetsugu Nakai (1 out of 1 patent)

15. Tetsushi Katsube (1 out of 12 patents)

31 patents: Sort by Forward Citations

1. 11945769 - N,N′-diarylurea derivative, manufacturing method thereof, and thermosensitive recording material using same (2024-04-02),

2. 11618979 - Method for producing polyurethane elastic fiber (2023-04-04),

3. 11105020 - Polyurethane elastic fiber and method for producing polyurethane elastic fiber (2021-08-31),

4. 10975240 - Method for producing antioxidant and method for producing elastic polyurethane fiber (2021-04-13),

5. 10301069 - Container (2019-05-28),

6. 10086634 - Heat-sensitive recording material (2018-10-02),

7. 9586720 - Pallet structure (2017-03-07),

8. 9394398 - Phosphorus-containing flame retardant epoxy resin (2016-07-19),

9. 9375966 - Sensitizer particle dispersion for thermosensitive recording medium composed mainly of stearic acid amide, preparation method thereof, mixed dispersion composition for thermosensitive recording layer, and thermosensitive recording medium (2016-06-28),

10. 9371438 - High melting point flame retardant crystal and method for manufacturing the same, epoxy resin composition containing the flame retardant, and prepreg and flame retardant laminate using the composition (2016-06-21),

11. 9242761 - Box pallet side wall (2016-01-26),

12. 9102696 - Phosphorus-based (meth)acrylate compound and method of preparing the same (2015-08-11),

13. 8997982 - Container (2015-04-07),

14. 8851288 - Collapsible container (2014-10-07),

15. 8794464 - Assemblable and disassemblable container (2014-08-05),

Sanko Co., Ltd. is a leading Japanese company specializing in the manufacturing and distribution of household and commercial products. With a history dating back to 1959, Sanko has built a reputation for high-quality products and exceptional customer service. From kitchenware to cleaning supplies, Sanko offers a wide range of innovative solutions to meet the needs of consumers and businesses alike.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

31 Patents

#1 in Mizuho

#2,217 in Japan

#20,639 in the World

Sanko Co., Ltd.

Forward Citations = 180

42 inventors:

Hisatoshi Yamauchi (6 out of 6 patents)

Akihiko Yoshizato (3 out of 6 patents)

Yoshito Nakagawa (3 out of 3 patents)

4. Shigeru Oda (3 out of 12 patents)

5. Yoshimi Ishibashi (2 out of 2 patents)

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