NPC CO., LTD.
22Patents
8Active
22Granted
55Portfolio score
Filing activity: Sep 21, 1989 → Jul 21, 2022 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5641256A | Anchoring device for a threaded member | Emerging Cross-Sectional Technologies | 391 | Expired |
| US5580068A | Liquid filled seal | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US5029907A | Band for effecting a seal | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7312591B2 | Powered panel moving system | Electricity | 29 | Expired |
| US5360241A | Universal saddle tee for pipes | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6149757A | Laminating apparatus | Performing Operations; Transporting | 26 | Expired |
| US5431459A | Band with slotted wedge cams | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6152455A | Expandable band and locking mechanism | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4993722A | Apparatus and method for improved pipe to manhole sealing | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6866301B2 | Expandable band and locking mechanism | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6953194B2 | Expandable band and locking mechanism | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7243956B2 | Expandable band and locking mechanism | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6364373B1 | Corrugated pipe adapter and connection system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9957149B2 | Beverage container for injecting beverage through bottom thereof | Performing Operations; Transporting | 4 | Active |
| US8052036B2 | Tab lead soldering apparatus and tab lead soldering method | Emerging Cross-Sectional Technologies | 3 | Active |
| US5595524A | Grinding apparatus and method which supports a workpiece on the surface being ground | Performing Operations; Transporting | 2 | Expired |
| US10407209B1 | Pallet apparatus for transportation of car glass | Performing Operations; Transporting | 2 | Active |
| US8028735B2 | Laminating apparatus | Emerging Cross-Sectional Technologies | 2 | Active |
| US7699085B2 | Laminating apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| US10501308B2 | Beverage feeder and beverage feeder assembly | Performing Operations; Transporting | 1 | Active |
| US11975914B2 | Electric vehicle battery transportation container having battery fixing hook | Emerging Cross-Sectional Technologies | 0 | Active |
| US11993448B2 | Electric vehicle battery transportation container having shield sleeve | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.