with movable electrode or electrodes

Follow

Industry

CPC
H01J21/22

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J21/00Vacuum tubes

Current Industry

H01J21/22with movable electrode or electrodes

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Analog amplification vacuum tube
- Patent number 11,062,871
- Issue date Jul 13, 2021
- Noritake Co., Limited
- Kazunori Tatsuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Plasma doping apparatus and plasma doping method
- Patent number 9,029,249
- Issue date May 12, 2015
- Tokyo Electron Limited
- Hirokazu Ueda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANALOG AMPLIFICATION VACUUM TUBE
- Publication number 20200328057
- Publication date Oct 15, 2020
- Noritake Co., Limited
- Kazunori TATSUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLASMA DOPING APPARATUS AND PLASMA DOPING METHOD
- Publication number 20140179028
- Publication date Jun 26, 2014
- TOKYO ELECTRON LIMITED
- Hirokazu UEDA
- H01 - BASIC ELECTRIC ELEMENTS