NBS Co., Ltd.
7Patents
0Active
7Granted
29Portfolio score
Filing activity: Sep 2, 1975 → Dec 18, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3985171A | Club protecting cover for golf bag | Human Necessities | 33 | Expired |
| US4019768A | Device for sanitary pickup of ground deposited excrement | Fixed Constructions | 29 | Expired |
| US5158265A | Butterfly valve | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| USD271388S | Camping trailer | General | 16 | Expired |
| US4019280A | Collapsible plant support | Human Necessities | 15 | Expired |
| US4452465A | Camping trailer and automobile-trailer combination | Performing Operations; Transporting | 13 | Expired |
| US6131882A | Butterfly valve | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.