Masayasu Futagawa

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disc
- Patent number 6,067,285
- Issue date May 23, 2000
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus and method including visco-elastic...
- Patent number 5,719,834
- Issue date Feb 17, 1998
- Sharp Kabushiki Kaisha
- Masayasu Futagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Supporting mechanism for allowing an object to make a pseudo-transl...
- Patent number 5,687,033
- Issue date Nov 11, 1997
- Sharp Kabushiki Kaisha
- Masayasu Futagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus
- Patent number 5,602,808
- Issue date Feb 11, 1997
- Sharp Kabushiki Kaisha
- Masayasu Futagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk
- Patent number 5,490,131
- Issue date Feb 6, 1996
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G11 - INFORMATION STORAGE