Toshiharu Uchimi

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 5,914,180
- Issue date Jun 22, 1999
- Sony Corporation
- Jota Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Perfluoropolyether derivatives, and lubricants and magnetic recordi...
- Patent number 5,536,425
- Issue date Jul 16, 1996
- Sony Corporation
- Hirofumi Kondo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Perfluoropolyether derivatives, and lubricants and magnetic recordi...
- Patent number 5,453,539
- Issue date Sep 26, 1995
- Sony Corporation
- Hirofumi Kondo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lubricant and magnetic recording medium therewith
- Patent number 5,431,833
- Issue date Jul 11, 1995
- Sony Corporation
- Hirofumi Kondo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...