Hirohiko Shimizu

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk drive apparatus with head arm including rigid arm base and pla...
- Patent number 6,421,209
- Issue date Jul 16, 2002
- Sony Corporation
- Hirohiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus with a high positional precision magnetic head
- Patent number 6,256,174
- Issue date Jul 3, 2001
- Sony Corporation
- Hirohiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus
- Patent number 6,243,237
- Issue date Jun 5, 2001
- Sony Corporation
- Hirohiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Auto-loading system for interfacing a magazine of recording medium...
- Patent number 5,793,564
- Issue date Aug 11, 1998
- Sony Corporation
- Hideo Nakase
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge holder having a shutter control arm disposed in a ke...
- Patent number 5,463,509
- Issue date Oct 31, 1995
- Sony Corporation
- Yuji Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus that positions a disc cassette without a slide...
- Patent number 5,442,502
- Issue date Aug 15, 1995
- Sony Corporation
- Hirohiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Unitarily formed sheet metal cartridge holder
- Patent number 5,400,198
- Issue date Mar 21, 1995
- Sony Corporation
- Yuji Suzuki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Disk drive apparatus with a high positional precision magnetic head
- Publication number 20010012183
- Publication date Aug 9, 2001
- SONY CORPORATION
- Hirohiko Shimizu
- G11 - INFORMATION STORAGE