Tetsuya Shiroishi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device and speaker
- Patent number 11,962,972
- Issue date Apr 16, 2024
- Sony Group Corporation
- Masahiro Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Manufacturing method for field emission display
- Patent number 7,537,505
- Issue date May 26, 2009
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuya Shiroishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
CRT electron gun with a plurality of electrodes
- Patent number 6,664,725
- Issue date Dec 16, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuya Shiroishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun having a cathode with limited electron discharge region
- Patent number 5,990,608
- Issue date Nov 23, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuya Shiroishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image display apparatus
- Patent number 5,604,394
- Issue date Feb 18, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Masato Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flat display apparatus with supplemental biasing
- Patent number 5,436,530
- Issue date Jul 25, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Ryo Suzuki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE AND SPEAKER
- Publication number 20220078560
- Publication date Mar 10, 2022
- MASAHIRO TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Manufacturing method and designing method for field emission display
- Publication number 20050221710
- Publication date Oct 6, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuya Shiroishi
- B82 - NANO-TECHNOLOGY
Information Patent Application
CRT electron gun
- Publication number 20010000942
- Publication date May 10, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuya Shiroishi
- H01 - BASIC ELECTRIC ELEMENTS