Inventor · Sumiainen, FI

Osmo Schroderus

18Patents
14h-index
10Co-inventors
71Inventor score

Filing activity: Jan 3, 1995 → Dec 24, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5822682A Communicating on a direct mode channel Electricity 43 Expired
US5539925A Radio system with power-saving feature for mobile stations, effective during transmission breaks of the associated fixed radio station Emerging Cross-Sectional Technologies 41 Expired
US6545995B1 Maintenance of group call in mobile communication system Electricity 36 Expired
US6144656A Synchronizing a telecommunications connection in a mobile communications system Emerging Cross-Sectional Technologies 35 Expired
US6052557A Direct mode repeater in a mobile radio system Electricity 35 Expired
US5907804A Checking the identification number of a mobile subscriber Electricity 34 Expired
USD718867S1 Device for measuring heart rate General 25 Active
US5978367A Synchronizing a telecommunications connection in a mobile communications system Electricity 25 Expired
US5943326A Synchronizing a telecommunication connection in a mobile communication system Electricity 23 Expired
US5983072A Establishing a telecommunications connection in a mobile communication system Electricity 20 Expired
USD718868S1 Device for measuring heart rate General 20 Active
US6477384B2 Checking the presence of mobile stations communicating on a direct mode channel Electricity 19 Expired
US6230015A Picking up of mobile stations from a direct mode channel Electricity 17 Expired
USD749053S1 Smartphone General 15 Active
US6023626A Allocating speech items to mobile units communicating on direct mode channel Electricity 14 Expired
US6546000B1 Method for channel use in TDMA system, and TDMA system Electricity 7 Expired
US7702849B2 Method and apparatus for dividing and storing data into plural files Physics 7 Expired
US8576878B2 Method for controlling parties in real-time data communication Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.