MURATA MACHINERY, LTD.
692Patents
667Active
692Granted
62Portfolio score
Filing activity: Feb 4, 1974 → Oct 5, 2022 · 166 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5333176A | Cellular hand held portable speakerphone system having an interface adapter | Emerging Cross-Sectional Technologies | 129 | Expired |
| US5248929A | Battery time monitor for cellular telephone | Emerging Cross-Sectional Technologies | 71 | Expired |
| US10058473B2 | Training apparatus | Human Necessities | 71 | Active |
| US8010598B2 | Relay server and client terminal | Electricity | 67 | Active |
| US8948956B2 | Autonomous mobile body and control method of same | Emerging Cross-Sectional Technologies | 50 | Active |
| US7815141B2 | Filament winding apparatus | Performing Operations; Transporting | 44 | Active |
| US6183184A | Work transport system | Performing Operations; Transporting | 42 | Expired |
| US7239701B1 | Key sharing method, secret key generating method, common key generating method and cryptographic communication method in ID-NIKS cryptosystem | Electricity | 36 | Expired |
| US5588344A | Electric servo motor punch press ram drive | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5176057A | Punch holder with stripper arrangement | Emerging Cross-Sectional Technologies | 25 | Expired |
| US9056719B2 | Automatic storage system | Performing Operations; Transporting | 24 | Active |
| US8515612B2 | Route planning method, route planning device and autonomous mobile device | Physics | 23 | Active |
| US9635346B2 | Autonomous vehicle, and object recognizing method in autonomous vehicle | Physics | 22 | Active |
| US9405292B2 | Delivery vehicle and method and program for controlling drive of delivery vehicle | Emerging Cross-Sectional Technologies | 21 | Active |
| US8886385B2 | Autonomous mobile body and control method of same | Physics | 19 | Active |
| US3967795A | Bobbin tube | Performing Operations; Transporting | 18 | Expired |
| US9701471B2 | Transfer device | Performing Operations; Transporting | 17 | Active |
| US7905442B2 | Filament winding apparatus | Performing Operations; Transporting | 17 | Active |
| US8978562B2 | Rail guided vehicle system | Fixed Constructions | 16 | Active |
| US7771153B2 | Automated material handling system for semiconductor manufacturing based on a combination of vertical carousels and overhead hoists | Electricity | 16 | Active |
| US9765457B2 | Braider and tube body | Textiles; Paper | 16 | Active |
| US10957569B2 | Access to one or more levels of material storage shelves by an overhead hoist transport vehicle from a single track position | Electricity | 15 | Expired |
| US7934722B2 | Image scanning apparatus and image scanning method | Electricity | 15 | Active |
| US8060243B2 | Sorting apparatus | Performing Operations; Transporting | 15 | Active |
| USD451849S | Wheelchair | General | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.