Hitoshi Imamura

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluorescent lamp unit for large screen information display
- Patent number D334990
- Issue date Apr 20, 1993
- Toshiba Lighting & Technology Corporation
- Mikihito Sekiguchi
- D26 - Lighting
Information Patent Grant
Fluorescent lamp unit for large screen information display
- Patent number D334242
- Issue date Mar 23, 1993
- Toshiba Lighting & Technology Corporation
- Hitoshi Imamura
- D26 - Lighting
Information Patent Grant
Discharge lamp
- Patent number 5,049,781
- Issue date Sep 17, 1991
- Toshiba Lighting & Technology Corporation
- Hitoshi Imamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp generating different color light beams
- Patent number 4,835,440
- Issue date May 30, 1989
- Kabushiki Kaisha Toshiba
- Hitoshi Imamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing a luminous tube for discharge lamp
- Patent number 4,746,316
- Issue date May 24, 1988
- Kabushiki Kaisha Toshiba
- Shigeru Sudo
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fluorescent lamp device having oval cross sectional tubes
- Patent number 4,746,835
- Issue date May 24, 1988
- Kabushiki Kaisha Toshiba
- Hitoshi Imamura
- H01 - BASIC ELECTRIC ELEMENTS