For the Inventor, By the Inventor

Enter assignee name

Yufu Seiki Co., Ltd.

USPTO Granted Patents = 1

Forward Citations = 236

Loading Chart...

Loading Chart...

2 inventors (with patents filed for the assignee):

Takashi Sugawara (1 out of 27 patents)

Koutarou Maeda (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 5681265 - Cylindrical anal retractor (1997-10-28),

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#908 in

#15,539 in Japan

Yufu Seiki Co., Ltd.

Forward Citations = 236

2 inventors:

Takashi Sugawara (1 out of 27 patents)

Koutarou Maeda (1 out of 1 patent)

Please report any incorrect information to support@idiyas.com

Loading…