SANKI ENGINEERING CO., LTD.
25Patents
7Active
25Granted
38Portfolio score
Filing activity: Feb 22, 1978 → Mar 16, 2015 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7080725B2 | Sorting conveyor provided with cross sorter | Performing Operations; Transporting | 28 | Expired |
| US4550417A | Apparatus for counting numbers of fine particles | Physics | 22 | Expired |
| US6966937B2 | Patient isolation unit | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4178152A | Cell fragility testing method and appliance therefor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6059866A | Air washer | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4968428A | Centrifugal counter-current distribution chromatography | Performing Operations; Transporting | 16 | Expired |
| US5871085A | Driving apparatus for a compact belt conveyer | Performing Operations; Transporting | 13 | Expired |
| US7291056B2 | Method and system for cleaning glass surface of pavement light or reflector | Fixed Constructions | 8 | Expired |
| US4877523A | Centrifugal counter-current distribution chromatography | Physics | 7 | Expired |
| US7341403B2 | Method of constructing information correspondence pipe, constructed structure, and construction member | Physics | 7 | Expired |
| US7358858B2 | Road-ice detecting sensor, method for installing same, and road-ice detecting method | Physics | 7 | Expired |
| US4858961A | Rotary joint | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7073660B1 | Belt curve conveyor | Performing Operations; Transporting | 6 | Expired |
| US4743372A | Ultrafiltration membrane cartridge separation system | Performing Operations; Transporting | 5 | Expired |
| US4813420A | Hemolysis reaction measuring device | Physics | 3 | Expired |
| US6869458B2 | Bioclean room unit | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7431149B2 | Belt junction conveyor | Performing Operations; Transporting | 2 | Active |
| US8016101B2 | Belt junction conveyor | Performing Operations; Transporting | 2 | Active |
| US10001277B2 | Method for conveying impurities in pressurized fluidized bed incinerator system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US4200434A | Immunological blood test method | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5518355A | Automated container transferring and loading system and a method therefor | Performing Operations; Transporting | 1 | Expired |
| US10006631B2 | Method for starting up pressurized fluidized bed incinerator system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9776795B2 | Curved belt conveyor apparatus | Performing Operations; Transporting | 0 | Active |
| US9776802B2 | Drive device for belt conveyor device | Performing Operations; Transporting | 0 | Active |
| US9982552B2 | Pressurized incineration facility and pressurized incineration method | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.