Masatoshi Ishikawa

Person

Odawara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Falling sensor and the information processing device making use of it
- Patent number 7,301,721
- Issue date Nov 27, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Tatsuya Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Falling sensor and the information processing device making use of it
- Patent number 6,995,939
- Issue date Feb 7, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Tatsuya Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Falling sensor and the information processing device making use of it
- Patent number 6,771,449
- Issue date Aug 3, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Tatsuya Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge library apparatus
- Patent number 5,644,445
- Issue date Jul 1, 1997
- Hitachi Ltd.
- Masatoshi Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape loading device and magnetic conversion apparatus
- Patent number 5,537,266
- Issue date Jul 16, 1996
- Hitachi, Ltd.
- Taichiro Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge library apparatus for handling a number of cartridges in...
- Patent number 5,442,500
- Issue date Aug 15, 1995
- Hitachi, Ltd.
- Takao Hidano
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for automatic continuous changing of cartridge-type magnetic...
- Patent number 5,050,019
- Issue date Sep 17, 1991
- Hitachi, Ltd.
- Toshihiro Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape changer for loading and unloading a magazine of magnetic tape...
- Patent number 5,021,902
- Issue date Jun 4, 1991
- Hitachi, Ltd.
- Masatoshi Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge magazine
- Patent number 4,850,485
- Issue date Jul 25, 1989
- Hitachi, Ltd.
- Masatoshi Ishikawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Falling sensor and the information processing device making use of it
- Publication number 20060072236
- Publication date Apr 6, 2006
- Tatsuya Ito
- G01 - MEASURING TESTING
Information Patent Application
Falling sensor and the information processing device making use of it
- Publication number 20040240098
- Publication date Dec 2, 2004
- Tatsuya Ito
- G01 - MEASURING TESTING

Masatoshi Ishikawa

Person

Patents Grantslast 30 patents

Falling sensor and the information processing device making use of it

Falling sensor and the information processing device making use of it

Falling sensor and the information processing device making use of it

Cartridge library apparatus

Tape loading device and magnetic conversion apparatus

Cartridge library apparatus for handling a number of cartridges in...

Method for automatic continuous changing of cartridge-type magnetic...

Tape changer for loading and unloading a magazine of magnetic tape...

Cartridge magazine

Patents Applicationslast 30 patents

Falling sensor and the information processing device making use of it

Falling sensor and the information processing device making use of it