Yoshitake Kato

Person

Yuki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disk cartridge having a single closing energizer for closing two in...
- Patent number 5,537,389
- Issue date Jul 16, 1996
- Hitachi Maxwell, Ltd.
- Tadahiro Kuwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording cartridge including a flexible magnetic recording me...
- Patent number 5,432,662
- Issue date Jul 11, 1995
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk assembly having a hub with a circular recess extendin...
- Patent number 5,383,078
- Issue date Jan 17, 1995
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording cartridge including a flexible magnetic recording me...
- Patent number 5,317,467
- Issue date May 31, 1994
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge shutter
- Patent number 5,121,380
- Issue date Jun 9, 1992
- Hitachi Maxell, Ltd.
- Minoru Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge with improved cleaning mechanism
- Patent number 5,006,948
- Issue date Apr 9, 1991
- Hitachi Maxell Ltd.
- Kazuya Fukunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge with alignment elements on two hub halves
- Patent number 4,999,727
- Issue date Mar 12, 1991
- Hitachi Maxell Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge case formed by ultrasonic welding
- Patent number 4,970,618
- Issue date Nov 13, 1990
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Shutter assembly for a disk cartridge
- Patent number 4,918,559
- Issue date Apr 17, 1990
- Hitachi Maxwell, Ltd.
- Hiroshi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartride having an improved shutter
- Patent number 4,908,726
- Issue date Mar 13, 1990
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge with a hub having an outsert molded control ring
- Patent number 4,885,653
- Issue date Dec 5, 1989
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disc assembly
- Patent number 4,868,701
- Issue date Sep 19, 1989
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Improved disk cartridge including a shutter for opening and closing...
- Patent number 4,851,947
- Issue date Jul 25, 1989
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge with shutter biasing device
- Patent number 4,851,948
- Issue date Jul 25, 1989
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge
- Patent number 4,849,844
- Issue date Jul 18, 1989
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge with improved shutter moving mechanism
- Patent number 4,839,766
- Issue date Jun 13, 1989
- Hitachi Maxwell Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc drive assembly for supporting a recording disc
- Patent number 4,831,478
- Issue date May 16, 1989
- Hitachi Maxwell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge
- Patent number D298251
- Issue date Oct 25, 1988
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Arrangement for positioning a recording disc of a disc cartridge
- Patent number 4,743,994
- Issue date May 10, 1988
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Hub assembly for a recording disc cartridge
- Patent number 4,742,419
- Issue date May 3, 1988
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge with a cleaning mechanism
- Patent number 4,734,815
- Issue date Mar 29, 1988
- Hitachi Maxell, Ltd.
- Nobuhiko Naganawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Shutter assembly for use in a disc cartridge
- Patent number 4,714,973
- Issue date Dec 22, 1987
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge
- Patent number 4,630,728
- Issue date Dec 23, 1986
- Hitachi Maxwell, Ltd.
- Fujio Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disc cartridge
- Patent number 4,583,144
- Issue date Apr 15, 1986
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge
- Patent number 4,579,225
- Issue date Apr 1, 1986
- Hitachi Maxell Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disc cartridge
- Patent number 4,573,572
- Issue date Mar 4, 1986
- Hitachi Maxell, Ltd.
- Yoshitake Kato
- G11 - INFORMATION STORAGE

Yoshitake Kato

Person

Patents Grantslast 30 patents

Disk cartridge having a single closing energizer for closing two in...

Data recording cartridge including a flexible magnetic recording me...

Magnetic disk assembly having a hub with a circular recess extendin...

Data recording cartridge including a flexible magnetic recording me...

Disc cartridge shutter

Disk cartridge with improved cleaning mechanism

Disc cartridge with alignment elements on two hub halves

Disk cartridge case formed by ultrasonic welding

Shutter assembly for a disk cartridge

Disk cartride having an improved shutter

Disk cartridge with a hub having an outsert molded control ring

Recording disc assembly

Improved disk cartridge including a shutter for opening and closing...

Disk cartridge with shutter biasing device

Disk cartridge

Disk cartridge with improved shutter moving mechanism

Disc drive assembly for supporting a recording disc

Disk cartridge

Arrangement for positioning a recording disc of a disc cartridge

Hub assembly for a recording disc cartridge

Disc cartridge with a cleaning mechanism

Shutter assembly for use in a disc cartridge

Disc cartridge

Magnetic recording disc cartridge

Disc cartridge

Recording disc cartridge