Daifuku Co., Ltd.
690Patents
529Active
690Granted
59Portfolio score
Filing activity: Jun 26, 1984 → Feb 20, 2024 · 71 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6846146B2 | Load storage equipment | Performing Operations; Transporting | 452 | Expired |
| US6722837B2 | Load storage equipment | Performing Operations; Transporting | 452 | Expired |
| US5898579A | Non-contact power distribution system | Emerging Cross-Sectional Technologies | 317 | Expired |
| US5323098A | Power-charging system for transporter cart | Emerging Cross-Sectional Technologies | 117 | Expired |
| US5839872A | Apparatus for transferring cargoes | Performing Operations; Transporting | 106 | Expired |
| US5333982A | Load transport system for automated warehousing | Performing Operations; Transporting | 88 | Expired |
| US5134353A | Equipment for transporting a load | Performing Operations; Transporting | 83 | Expired |
| US5377851A | Rack assembly | Human Necessities | 82 | Expired |
| US5709291A | Device for contactless power supply to moving body | Performing Operations; Transporting | 82 | Expired |
| US6036427A | Guided vehicle system for transporting loads | Performing Operations; Transporting | 81 | Expired |
| US5664929A | Article transportation system | Emerging Cross-Sectional Technologies | 77 | Expired |
| US5134940A | Self-propelled platform car type conveying system | Performing Operations; Transporting | 75 | Expired |
| US5434490A | Article transport system | Physics | 68 | Expired |
| US6139240A | Orthogonal type branching conveyer for diverting articles carried by a conveyer in an automated warehouse | Performing Operations; Transporting | 67 | Expired |
| US5333983A | Rack arrangement | Human Necessities | 63 | Expired |
| US5467718A | Magnetic levitation transport system with non-contact inductive power supply and battery charging | Performing Operations; Transporting | 62 | Expired |
| US5327354A | Control system for automatic warehousing facility | Performing Operations; Transporting | 59 | Expired |
| US5658120A | Article transport system and carriage for use therewith | Performing Operations; Transporting | 56 | Expired |
| US5267173A | Carriage running control system | Physics | 55 | Expired |
| US7787985B2 | Article storage facility and method for operating the facility | Performing Operations; Transporting | 54 | Active |
| US6655297B2 | Transfer system using movable bodies | Fixed Constructions | 49 | Expired |
| US6808058B2 | Article joining control method | Performing Operations; Transporting | 46 | Expired |
| US6629502B2 | Conveyance system | Fixed Constructions | 45 | Expired |
| US5551350A | Transporting system driven by linear motor having inductive power supply | Performing Operations; Transporting | 42 | Expired |
| US7003375B2 | Load storage apparatus | Emerging Cross-Sectional Technologies | 42 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.