Hisafumi Okada

Follow

Person

Fukaya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Glass envelope for a cathode-ray tube
- Patent number 4,537,322
- Issue date Aug 27, 1985
- Tokyo Shibaura Denki Kabushiki Kaisha
- Hisafumi Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tube and method for magnetically adjusting the color...
- Patent number 4,331,903
- Issue date May 25, 1982
- Tokyo Shibaura Denki Kabushiki Kaisha
- Shigeo Takenaka
- H01 - BASIC ELECTRIC ELEMENTS