Chemtronics Co., Ltd.
19Patents
5Active
19Granted
39Portfolio score
Filing activity: Apr 6, 1977 → Jan 16, 2019 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4188811A | Metal forming methods | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5262220A | High strength structure assembly and method of making the same | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4725334A | Method of forming integrally stiffened structures | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5669524A | Enclosures | Electricity | 20 | Expired |
| US4113549A | Chemical milling process | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4588474A | Chemical milling processes and etchants therefor | Chemistry; Metallurgy | 14 | Expired |
| US4687702A | Structural insulating panel and method of making the panel | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4137118A | Chemical milling apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8547352B2 | Method, apparatus for sensing moved touch and computer readable record-medium on which program for executing method thereof | Physics | 8 | Active |
| US9576189B2 | Method and apparatus for controlling vehicle using motion recognition with face recognition | Physics | 8 | Active |
| US4848122A | Method and apparatus for deburring using shot | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4376662A | Methods for fabricating metallic workpieces | Chemistry; Metallurgy | 5 | Expired |
| US8789414B2 | Level sensing apparatus | Physics | 4 | Active |
| US4815086A | Laser pulse modulator | Performing Operations; Transporting | 4 | Expired |
| US9013447B2 | Method and device for sensing capacitance change and recording medium in which program for executing method is recorded thereon, and method and device for sensing touch using method and recording medium in which program for executing method is recorded thereon | Physics | 3 | Active |
| US4779848A | Cooling muff used in thermal processing method | Chemistry; Metallurgy | 2 | Expired |
| US4726878A | Chemical milling method for interiors of narrow tubes | Chemistry; Metallurgy | 1 | Expired |
| US4304982A | Optical viewing system associated apparatus and machines equipped therewith | Performing Operations; Transporting | 0 | Expired |
| US11915591B2 | Method of avoiding collision of vehicles at intersection and system performing the same | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.