Akira Chiba

Follow

Person

Sagamihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Collector and electron tube
- Patent number 8,502,451
- Issue date Aug 6, 2013
- Netcomsec Co. Ltd.
- Akira Chiba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Traveling wave tube
- Patent number 7,898,181
- Issue date Mar 1, 2011
- Netcomsec Co., Ltd.
- Kazuhito Soga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply unit, high-frequency circuit system and heater voltage...
- Patent number 7,800,311
- Issue date Sep 21, 2010
- Netcomsec Co. Ltd.
- Akira Chiba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electron gun
- Patent number 6,774,552
- Issue date Aug 10, 2004
- NEC Microwave Tube, Ltd.
- Akira Chiba
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
COLLECTOR AND ELECTRON TUBE
- Publication number 20100244690
- Publication date Sep 30, 2010
- AKIRA CHIBA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COLLECTOR AND ELECTRON TUBE
- Publication number 20090251054
- Publication date Oct 8, 2009
- AKIRA CHIBA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRAVELING WAVE TUBE
- Publication number 20090009086
- Publication date Jan 8, 2009
- NEC Microwave Tube, Ltd.
- Kazuhito SOGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY UNIT, HIGH-FREQUENCY CIRCUIT SYSTEM AND HEATER VOLTAGE...
- Publication number 20080231197
- Publication date Sep 25, 2008
- NEC Microwave Tube, Ltd.
- Akira CHIBA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Electron gun
- Publication number 20060091776
- Publication date May 4, 2006
- NEC Microwave Tube, Ltd.
- Takatsugu Munehiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun
- Publication number 20030218413
- Publication date Nov 27, 2003
- NEC MICROWAVE TUBE, LTD.
- Akira Chiba
- H01 - BASIC ELECTRIC ELEMENTS