Masao Natsuhara

Person

Ohtsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color cathode ray-tube with electron gun having a reinforcing elect...
- Patent number 6,239,546
- Issue date May 29, 2001
- Matsushita Electronics Corporation
- Yasufumi Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube gun having control grid of varying thickness
- Patent number 5,128,586
- Issue date Jul 7, 1992
- Matsushita Electronics Corporation
- Shigeya Ashizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube apparatus
- Patent number 4,831,309
- Issue date May 16, 1989
- Matsushita Electronics Corporation
- Shigeya Ashizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube apparatus having focusing grids with horizontally...
- Patent number 4,814,670
- Issue date Mar 21, 1989
- Matsushita Electronics Corporation
- Hiroshi Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line electron gun
- Patent number 4,728,859
- Issue date Mar 1, 1988
- Matsushita Electronics Corporation
- Masao Natsuhara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube apparatus
- Patent number 4,701,677
- Issue date Oct 20, 1987
- Matsushita Electronics Corporation
- Shigeya Ashizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line type electron gun
- Patent number 4,612,474
- Issue date Sep 16, 1986
- Matsushita Electronics Corporation
- Shigeya Ashizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube
- Patent number 4,542,320
- Issue date Sep 17, 1985
- Matsushita Electronics Corporation
- Hiroshi Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube device
- Patent number 4,473,775
- Issue date Sep 25, 1984
- Matsushita Electronics Corporation
- Kakuichiro Hosokoshi
- H01 - BASIC ELECTRIC ELEMENTS

Masao Natsuhara

Person

Patents Grantslast 30 patents

Color cathode ray-tube with electron gun having a reinforcing elect...

Color cathode ray tube gun having control grid of varying thickness

Cathode ray tube apparatus

Cathode ray tube apparatus having focusing grids with horizontally...

In-line electron gun

Color cathode ray tube apparatus

In-line type electron gun

Cathode ray tube

Cathode-ray tube device