Mitsui Engineering & Shipbuilding Co., Ltd.
252Patents
113Active
252Granted
49Portfolio score
Filing activity: Jan 6, 1977 → Apr 7, 2016 · 70 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6474987B1 | Wafer holder | Electricity | 312 | Expired |
| US5379663A | Multi-axial joy stick device | Emerging Cross-Sectional Technologies | 145 | Expired |
| US4479352A | Hot-water storage type power generating unit | Mechanical Engineering; Lighting; Heating | 69 | Expired |
| US5059290A | Electroanalytical method | Physics | 55 | Expired |
| US4558568A | Method and apparatus for mobilizing geothermal fluid | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US4276153A | Process for thermal cracking of hydrocarbons and apparatus therefor | Chemistry; Metallurgy | 47 | Expired |
| US4516403A | Waste heat recovery system for an internal combustion engine | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4578879A | Fluidizing apparatus | Performing Operations; Transporting | 44 | Expired |
| US5009585A | Optical molding apparatus and movable base device therefor | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5089185A | Optical molding method | Performing Operations; Transporting | 35 | Expired |
| US4555905A | Method of and system for utilizing thermal energy accumulator | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US5048320A | Method and apparatus for impact-type inspection of structures | Physics | 34 | Expired |
| US5554286A | Membrane for liquid mixture separation | Performing Operations; Transporting | 32 | Expired |
| US5970433A | Laser obstacle detection method and sensor | Physics | 31 | Expired |
| US4774470A | Shield tunneling system capable of electromagnetically detecting and displaying conditions of ground therearound | Physics | 31 | Expired |
| US5089184A | Optical molding method | Performing Operations; Transporting | 27 | Expired |
| US4574722A | Underwater cleaning apparatus | Performing Operations; Transporting | 27 | Expired |
| US4214992A | Water collecting and distributing apparatus disposed in a lower portion of high speed filter basin | Performing Operations; Transporting | 26 | Expired |
| US8330124B2 | Fluorescence detection device using intensity-modulated laser light and fluorescence detection method | Physics | 26 | Active |
| US7491468B2 | Method for preparing positive electrode material for secondary cell, and secondary cell | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4155673A | Floating structure | Fixed Constructions | 25 | Expired |
| US5176341A | Airship yaw line tractor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5476056A | Method of forming air layer over immersed surfaces of structure having immersed portions, and structure of coat layer formed over immersed surfaces | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4474883A | Process for saccharification of rootstocks and subsequent alcohol fermentation | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4457250A | Floating-type offshore structure | Performing Operations; Transporting | 23 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.