Yoshikazu Iwai

Follow

Person

Osaka-fu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Shadow mask assembly manufacturing method and cathode ray tube manu...
- Patent number 6,890,237
- Issue date May 10, 2005
- Matsushita Electric Industrial Co., Ltd.
- Naomi Nishiki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode, method for manufacturing the cathode, and picture tube
- Patent number 6,565,402
- Issue date May 20, 2003
- Matsushita Electric Industrial Co., Ltd.
- Masahide Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing oxide cathode
- Patent number 6,565,916
- Issue date May 20, 2003
- Matsushita Electric Industrial Co., Ltd.
- Yoshiki Hayashida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode, method for manufacturing the cathode, and picture tube
- Patent number 6,351,061
- Issue date Feb 26, 2002
- Matsushita Electric Industrial Co., Ltd.
- Masahide Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun with reduced capacitance between electrodes and cathod...
- Patent number 5,866,976
- Issue date Feb 2, 1999
- Matsushita Electronics Corporation
- Yoshikazu Iwai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Cathode, method for manufacturing the cathode, and picture tube
- Publication number 20020045398
- Publication date Apr 18, 2002
- Matsushita Electric Industrial Co., Ltd.
- Masahide Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Shadow mask assembly manufacturing method and cathode ray tube manu...
- Publication number 20010018309
- Publication date Aug 30, 2001
- Naomi Nishiki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for producing oxide cathode
- Publication number 20010016228
- Publication date Aug 23, 2001
- Matsushita Electronics Corporation
- Yoshiki Hayashida
- H01 - BASIC ELECTRIC ELEMENTS