Tomotaka Ezaki

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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
Electrode for electron source, method for producing the same, and e...
- Patent number 6,917,157
- Issue date Jul 12, 2005
- Noritake Co., Ltd.
- Tomotaka Ezaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum fluorescent display having x-ray shielding cap
- Patent number 6,914,380
- Issue date Jul 5, 2005
- Noritake Co., Ltd,
- Sashiro Uemura
- 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
Electrode for electron source, method for producing the same, and e...
- Publication number 20030001478
- Publication date Jan 2, 2003
- Tomotaka Ezaki
- B82 - NANO-TECHNOLOGY
Information Patent Application
Vacuum fluorescent display
- Publication number 20020024290
- Publication date Feb 28, 2002
- Sashiro Uemura
- B82 - NANO-TECHNOLOGY