Masahiro Hotta

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium and process for production thereof
- Patent number 4,395,465
- Issue date Jul 26, 1983
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Toshinori Takagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,382,110
- Issue date May 3, 1983
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Toshinori Takagi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for production of magnetic recording medium
- Patent number 4,354,909
- Issue date Oct 19, 1982
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Toshinori Takagi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Electro-thermosensitive recording materials
- Patent number 4,173,677
- Issue date Nov 6, 1979
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Shiro Nakano
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Extruded electrophotographic recording material
- Patent number 4,105,449
- Issue date Aug 8, 1978
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Tadayoshi Tanei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY