Sadaharu Doi

Follow

Person

Kamakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for manufacturing fluorescent lamps
- Patent number 4,362,123
- Issue date Dec 7, 1982
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Yamazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing fluorescent lamps
- Patent number 4,308,297
- Issue date Dec 29, 1981
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Yamazaki
- H01 - BASIC ELECTRIC ELEMENTS