Toshiro Tomita

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Signal relay device, communication network system and operation system
- Patent number 7,999,661
- Issue date Aug 16, 2011
- Yokogawa Electric Corporation
- Isao Uchida
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
SIGNAL RELAY DEVICE, COMMUNICATION NETWORK SYSTEM AND OPERATION SYSTEM
- Publication number 20090040031
- Publication date Feb 12, 2009
- YOKOGAWA ELECTRIC CORPORATION
- Isao Uchida
- G05 - CONTROLLING REGULATING
Information Patent Application
Communication System
- Publication number 20080281991
- Publication date Nov 13, 2008
- YOKOGAWA ELECTRIC CORPORATION
- Toshiki Ogawa
- G05 - CONTROLLING REGULATING
Information Patent Application
Know-How Service System
- Publication number 20070213996
- Publication date Sep 13, 2007
- YOKOGAWA ELECTRIC CORPORATION
- Toshiro Tomita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal transmission apparatus
- Publication number 20050265269
- Publication date Dec 1, 2005
- YOKOGAWA ELECTRIC CORPORATION
- Yoji Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE