Adtec Engineering Co., Ltd.
23Patents
4Active
23Granted
36Portfolio score
Filing activity: Nov 22, 1991 → Mar 27, 2023 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6450469B1 | Flat panel display or probe block support framework | Physics | 17 | Expired |
| US6597432B2 | Board-stage for an aligner | Electricity | 11 | Expired |
| US5287759A | Method and apparatus of measuring state of IC lead frame | Electricity | 5 | Expired |
| US6784979B2 | Full-contact type exposure device | Physics | 5 | Expired |
| US6552352B2 | Aligner | Electricity | 5 | Expired |
| US7289192B2 | Projection exposure device | Physics | 4 | Expired |
| US6927854B2 | Projection exposure device and position alignment device and position alignment method | Physics | 4 | Expired |
| US6760094B2 | Aligner | Physics | 3 | Expired |
| US6831730B2 | Optical magnification adjustment system and projection exposure device | Electricity | 3 | Expired |
| US6738195B2 | Optical magnification adjustment system and projection exposure device | Electricity | 3 | Expired |
| US6556004B2 | Supporting framework for display panel or probe block | Physics | 3 | Expired |
| US6597757B2 | Marking apparatus used in a process for producing multi-layered printed circuit board | Electricity | 3 | Expired |
| US6577145B2 | Unit with inspection probe blocks mounted thereon in parallel | Physics | 2 | Expired |
| US7614787B2 | Marking apparatus used in a process for producing multi-layered printed circuit board | Electricity | 1 | Active |
| US6819406B2 | Aligner | Electricity | 1 | Expired |
| US6252649A | Aligner | Electricity | 1 | Expired |
| US5257067A | Apparatus for placing film mask in contact with object | Electricity | 1 | Expired |
| US7477354B2 | Projection exposure apparatus and method for producing a printed circuit board | Electricity | 0 | Expired |
| US10067429B2 | Pattern drawing apparatus and pattern drawing method | Physics | 0 | Active |
| US12319034B2 | Carbon fiber reinforced plastic structure and processing apparatus | Chemistry; Metallurgy | 0 | Active |
| US12226986B2 | Core material and structure | Performing Operations; Transporting | 0 | Active |
| US6870952B2 | Positioning apparatus used in a process for producing multi-layered printed circuit board and method of using the same | Electricity | 0 | Expired |
| US6590406B2 | Apparatus for inspecting display board or circuit board | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.