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EPO Patents = 2

Forward Citations = 675

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6 inventors (with patents filed for the assignee):

Tetsuya Yamamoto (10 out of 38 patents)

Tomio Sugahara (4 out of 4 patents)

Michihiko Matsushima (2 out of 2 patents)

4. Atsushi Sugahara (1 out of 1 patent)

5. Masayoshi Yokoyama (1 out of 2 patents)

6. Takamasa Onuki (1 out of 2 patents)

14 patents: Sort by Forward Citations

1. 9901730 - Stopcock flow path switching device (2018-02-27),

2. 9789244 - Injector head with rotation mechanism (2017-10-17),

3. 9694146 - Joint mechanism (2017-07-04),

4. 9649429 - Priming method (2017-05-16),

5. 8652110 - Valve-equipped hand switch and chemical liquid introduction system (2014-02-18),

6. 6530907 - Channel switching apparatus (2003-03-11),

7. 6312410 - Auxiliary appliance for syringe fixation (2001-11-06),

8. 6004285 - Injector head for medical use (1999-12-21),

9. 5997484 - Probe for measuring epidural pressure and elasticity of brain parenchyma (1999-12-07),

10. 5968015 - Injector head for medical use (1999-10-19),

11. 5857657 - Stand for medical instruments (1999-01-12),

12. 5662666 - Ligative suturer (1997-09-02),

13. 5464014 - Display device for bioelectrical and biophysical phenomena (1995-11-07),

14. 5239265 - Display device of bio-electrical, bio-physical phenomena (1993-08-24),

Sugan Co., Ltd. is a leading manufacturer of high-quality personal care products. With a commitment to innovation and sustainability, we produce a wide range of skincare and beauty products that cater to the diverse needs of our customers. Our products are formulated using natural ingredients and cutting-edge technology to deliver effective results. We strive to exceed customer expectations and make a positive impact on the environment through our eco-friendly practices.

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Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

14 Patents

#331 in Osaka

#3,483 in Japan

#40,857 in the World

Osaka, Japan

Sugan Co., Ltd.