Tatsumi Nagasawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for accessing wireless network by sharing comm...
- Patent number 9,125,115
- Issue date Sep 1, 2015
- Lenovo (Singapore) Pte. Ltd.
- Kazuo Kubota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for switching connections between an IP-only phone and a sof...
- Patent number 8,316,119
- Issue date Nov 20, 2012
- Lenovo (Singapore) Pte. Ltd.
- Junichi Asoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR ACCESSING WIRELESS NETWORK BY SHARING COMM...
- Publication number 20130128875
- Publication date May 23, 2013
- LENOVO (SINGAPORE) PTE. LTD.
- Kazuo Kubota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Switching Connections Between an IP-Only Phone and a Sof...
- Publication number 20080310403
- Publication date Dec 18, 2008
- Junichi Asoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE