ALPHA CORPORATION
152Patents
102Active
152Granted
54Portfolio score
Filing activity: May 18, 1978 → Dec 1, 2023 · 22 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6010064A | Commodity distributing locker apparatus | Physics | 85 | Expired |
| US7230196B2 | Lighted switch device | Electricity | 79 | Expired |
| US4623337A | Liquid dispensing apparatus | Performing Operations; Transporting | 70 | Expired |
| US5823376A | Nestable crate for beverage bottles | Performing Operations; Transporting | 59 | Expired |
| US5265453A | Cylinder lock | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6047844A | Nestable crate for beverage bottles | Performing Operations; Transporting | 52 | Expired |
| US6006912A | Nestable crate for beverage bottles | Performing Operations; Transporting | 47 | Expired |
| US5768925A | Electronic-component-integrated key | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5428978A | Cylinder lock device resistible against unauthorized unlocking | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5640864A | Cylinder lock resistible against breaking | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6460386B1 | Electronic key structure | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5896992A | Nestable bakery tray | Performing Operations; Transporting | 32 | Expired |
| US4762074A | Process for the incineration of combustible materials | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6382003B1 | Lock apparatus | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7111880B2 | Outside handle assembly of automobile | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6968717B2 | Cylinder lock | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6442985B1 | Lock apparatus and lock system | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4218973A | Material handling apparatus for printing plastic film | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7065439B2 | Vehicle door locking and unlocking system | Physics | 20 | Expired |
| US5896762A | Theft preventing device | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6167779A | Car inside handle unit structure | Emerging Cross-Sectional Technologies | 18 | Expired |
| USD456689S1 | Portion of lock | General | 18 | Expired |
| US6389856B1 | Lock apparatus | Emerging Cross-Sectional Technologies | 17 | Expired |
| US9193331B2 | Vehicle door control apparatus and vehicle door control method | Physics | 15 | Active |
| US5985785A | Composition including a catalytic metal-polymer complex and a method of manufacturing a laminate preform or a laminate which is catalytically effective for subsequent electroless metallization thereof | Emerging Cross-Sectional Technologies | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.