Company Filing History:
Years Active: 2000-2002
Title: Risto Janhonen: Innovator in Mobile Network Charging Criteria
Introduction
Risto Janhonen is a notable inventor based in Kirkkonummi, Finland. He has made significant contributions to the field of telecommunications, particularly in mobile network charging criteria. With a total of 3 patents to his name, Janhonen's work has had a considerable impact on how mobile networks manage call tariffs.
Latest Patents
One of Janhonen's latest patents is titled "Charging criteria for a call in a cellular mobile network." This invention introduces a method where a cheaper tariff is applied if the location cell of either the calling or called subscriber belongs to a set of special cells at the beginning of a call. The charging criterion is updated both at the start and during the call. If a subscriber roams from a public network cell to one of the special cells, the cell information is communicated to the mobile switching center (MSC) of the called subscriber. The MSC, along with the service control point, compares this information with the set of special cells to determine if the new cell belongs to the special category, allowing for a tariff change.
Another significant patent is the "Method for improving charging criteria in a mobile telephone network." This invention further enhances the efficiency and accuracy of charging mechanisms within mobile networks.
Career Highlights
Janhonen is currently employed at Nokia Telecommunications Oy, a leading company in the telecommunications industry. His work at Nokia has allowed him to develop innovative solutions that address the complexities of mobile network operations.
Collaborations
Throughout his career, Janhonen has collaborated with several talented individuals, including Markku Ahti Tuohino and Veli Turkulainen. These collaborations have contributed to the advancement of technology in the telecommunications sector.
Conclusion
Risto Janhonen's contributions to mobile network charging criteria demonstrate his innovative spirit and commitment to improving telecommunications. His patents reflect a deep understanding of the industry's needs and a dedication to enhancing user experience.