Patent assignee · JP · COMPANY

Toshiba Kikai Kabushiki Kaisha

755Patents
237Active
755Granted
50Portfolio score

Filing activity: Mar 11, 1974 → Apr 28, 2020 · 102 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5897710A Substrate processing apparatus and substrate processing method Electricity 322 Expired
US6059885A Vapor deposition apparatus and method for forming thin film Chemistry; Metallurgy 182 Expired
US4837703A Method for generating tool path Emerging Cross-Sectional Technologies 141 Expired
US4091970A Pump with porus ceramic tube Performing Operations; Transporting 126 Expired
US5655954A Polishing apparatus Electricity 110 Expired
US5445491A Method for multichamber sheet-after-sheet type treatment Emerging Cross-Sectional Technologies 88 Expired
US4692836A Electrostatic chucks Emerging Cross-Sectional Technologies 87 Expired
US6097168A Position control apparatus and method of the same, numerical control program preparation apparatus and method of the same, and methods of controlling numerical control machine tool Physics 78 Expired
US5766360A Substrate processing apparatus and substrate processing method Electricity 75 Expired
US7117050B2 Management supporting apparatus, management supporting system, management supporting method, management supporting program, and a recording medium with the program recorded therein Physics 63 Expired
US4504220A Drying apparatus with deodorizing system for a printing machine Mechanical Engineering; Lighting; Heating 59 Expired
US5480508A Apparatus for manufacturing laminated prepreg members Emerging Cross-Sectional Technologies 57 Expired
US4473883A Machining systems and control systems therefor Emerging Cross-Sectional Technologies 52 Expired
US4329923A Inking control apparatus for printing machines Emerging Cross-Sectional Technologies 52 Expired
US5397415A Method for manufacturing laminated prepreg members Emerging Cross-Sectional Technologies 46 Expired
US4868761A Method for evaluating free surface and NC system thereof Emerging Cross-Sectional Technologies 44 Expired
US4674053A Control system of injection molding machines Physics 43 Expired
US4362291A Metal mold for molding hollow article having inwardly tapered side wall Emerging Cross-Sectional Technologies 39 Expired
US5713253A Rotational machining method Emerging Cross-Sectional Technologies 38 Expired
US5660581A Grinding apparatus Performing Operations; Transporting 37 Expired
US4611269A Apparatus and method in which a plurality of detectors generating signals with different periods are used to detect the absolute position of a moving member Physics 37 Expired
US4832307A Injection mold Emerging Cross-Sectional Technologies 36 Expired
US4288849A Machine tool control systems Emerging Cross-Sectional Technologies 34 Expired
US4514348A Method and apparatus for adjusting die clearance Performing Operations; Transporting 34 Expired
US5122717A Apparatus for producing NC programs using menu icons to define operations and producing method thereof Emerging Cross-Sectional Technologies 34 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.