Patent assignee · TW · COMPANY

SYSGRATION LTD.

43Patents
18Active
43Granted
57Portfolio score

Filing activity: Oct 13, 1989 → Dec 18, 2023 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6188393A Scroll bar input device for mouse Physics 114 Expired
US4977397A Touch-control computer house Physics 49 Expired
USD340926S Computer mouse General 43 Expired
USD431567S Mouse General 41 Expired
USD428866S Hand held transceiver General 38 Expired
USD386163S Computer mouse General 36 Expired
USD412488S Surge protector General 22 Expired
USD401919S Computer mouse General 21 Expired
USD387392S Joy pad General 19 Expired
US5532523A Uninterruptible power system Emerging Cross-Sectional Technologies 18 Expired
US5790098A Computer mouse structure Physics 14 Expired
USD421741S Surge protector General 12 Expired
US5311209A Assembled photomechanical mouse structure Physics 12 Expired
USD386162S Computer mouse General 11 Expired
US5717427A Optical-reflecting decoder modular design mechanism of mouse Physics 11 Expired
USD556711S1 Headrest LCD monitor with DVD player General 10 Expired
US5559534A Photoelectric sensor for an X-Y position device Physics 9 Expired
US7114780B1 Headrest with adjustable connecting tubes Performing Operations; Transporting 7 Expired
USD383803S Joy stick General 6 Expired
US7817137B2 Computer mouse with a sliding cover Physics 5 Active
USD387043S Track ball General 5 Expired
USD387042S Computer mouse General 3 Expired
US9481216B2 Tire pressure sensor module Performing Operations; Transporting 3 Active
USD386483S Computer mouse General 3 Expired
US5921482A Structure for paper shredder in a waste paper disposer Performing Operations; Transporting 3 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.