For the Inventor, By the Inventor

Enter assignee name

Ontario, CA, United States of America

Sharpal, Inc.

USPTO Granted Patents = 2

Trademarks = 3

Forward Citations = 0

Loading Chart...

Loading Chart...

5 inventors (with patents filed for the assignee):

Lei Fang (1 out of 38 patents)

Jianhua Wang (1 out of 26 patents)

Jianhua Wang (1 out of 1 patent)

4. Liping Ying (1 out of 1 patent)

5. Xiuying Wang (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12372352 - Device for observing and positioning sharpening angle of cutting edge (2025-07-29),

2. D1067010 - Knife sharpener (2025-03-18),

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#58 in Ontario, CA

#20,566 in California

#92,695 in US

Ontario, CA, United States of America

Sharpal, Inc.

Forward Citations = 0

5 inventors:

Lei Fang (1 out of 38 patents)

Jianhua Wang (1 out of 26 patents)

Jianhua Wang (1 out of 1 patent)

4. Liping Ying (1 out of 1 patent)

5. Xiuying Wang (1 out of 1 patent)

Please report any incorrect information to support@idiyas.com

Loading…