Yoshio Itagaki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor switch
- Patent number 10,122,356
- Issue date Nov 6, 2018
- Kabushiki Kaisha Toshiba
- Yugo Kunishi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency switch
- Patent number 8,698,574
- Issue date Apr 15, 2014
- Kabushiki Kaisha Toshiba
- Masayuki Sugiura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Network, private branch exchange, and multi protocol communication...
- Patent number 7,660,293
- Issue date Feb 9, 2010
- NEC Corporation
- Yoshio Itagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network, private branch exchange, wireless LAN terminal, and multip...
- Patent number 7,408,910
- Issue date Aug 5, 2008
- NEC Corporation
- Shinobu Kimata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable telephone system capable of simultaneously carrying out hi...
- Patent number 6,983,152
- Issue date Jan 3, 2006
- NEC Corporation
- Yoshio Itagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handover arrangement for mobile station moving across the boundary...
- Patent number 6,330,448
- Issue date Dec 11, 2001
- NEC Corporation
- Kiyokazu Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SWITCHING CIRCUIT
- Publication number 20250088185
- Publication date Mar 13, 2025
- Kabushiki Kaisha Toshiba
- Yoshio Itagaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR SWITCH
- Publication number 20180083609
- Publication date Mar 22, 2018
- KABUSHIKI KAISHA TOSHIBA
- Yugo KUNISHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-FREQUENCY SWITCH
- Publication number 20120038411
- Publication date Feb 16, 2012
- Kabushiki Kaisha Toshiba
- Masayuki Sugiura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Network, private branch exchange, and multi protocol communication...
- Publication number 20050083916
- Publication date Apr 21, 2005
- NEC Corporation
- Yoshio Itagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network, private branch exchange, wireless LAN terminal, and multip...
- Publication number 20050083923
- Publication date Apr 21, 2005
- NEC Corporation
- Shinobu Kimata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable telephone system capable of simultaneously carrying out hi...
- Publication number 20020094818
- Publication date Jul 18, 2002
- NEC Corporation
- Yoshio Itagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE