Takashi Toyooka

Person

Kamihirosi, Samama-shi, Saitama-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic recording medium and magnetic recording devi...
- Patent number 5,863,631
- Issue date Jan 26, 1999
- International Business Machines Corporation
- Yoshiaki Sonobe
- G11 - INFORMATION STORAGE
Information Patent Grant
Flash-erase-type nonvolatile semiconductor storage device
- Patent number 5,844,910
- Issue date Dec 1, 1998
- International Business Machines Corporation
- Hideto Niijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Nonvolatile memory with flash erase capability
- Patent number 5,734,816
- Issue date Mar 31, 1998
- International Business Machines Corporation
- Hideto Niijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Nonvolatile memory with cluster-erase flash capability and solid st...
- Patent number 5,598,370
- Issue date Jan 28, 1997
- International Business Machines Corporation
- Hideto Niijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Flash-erase-type nonvolatile semiconductor storage device
- Patent number 5,546,402
- Issue date Aug 13, 1996
- International Business Machines Corporation
- Hideto Niijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Flash-erase-type nonvolatile semiconductor storage device
- Patent number 5,509,018
- Issue date Apr 16, 1996
- International Business Machines Corporation
- Hideto Niijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Nonvolatile memory with cluster-erase flash capability and solid st...
- Patent number 5,457,658
- Issue date Oct 10, 1995
- International Business Machines Corporation
- Hideto Niijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magneto-optical recording and reproducing method, magneto-optical m...
- Patent number 5,270,987
- Issue date Dec 14, 1993
- Hitachi, Ltd.
- Toshimitsu Kaku
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive circuit for Bloch line memory
- Patent number 5,023,473
- Issue date Jun 11, 1991
- Hitachi, Ltd.
- Takashi Toyooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble generator using plural conductors with common curre...
- Patent number 5,014,239
- Issue date May 7, 1991
- Hitachi, Ltd.
- Masatoshi Takeshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory device
- Patent number 4,837,741
- Issue date Jun 6, 1989
- Hitachi, Ltd.
- Toshihiro Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling renewal of data in optical dis...
- Patent number 4,788,672
- Issue date Nov 29, 1988
- Hitachi, Ltd.
- Takashi Toyooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory device
- Patent number 4,769,783
- Issue date Sep 6, 1988
- Hitachi, Ltd.
- Toshihiro Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory device
- Patent number 4,755,430
- Issue date Jul 5, 1988
- Hitachi, Ltd.
- Masatoshi Takeshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory device
- Patent number 4,745,578
- Issue date May 17, 1988
- Hitachi, Ltd.
- Teruaki Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Hybrid magnetic bubble memory device
- Patent number 4,744,052
- Issue date May 10, 1988
- Hitachi, Ltd.
- Naoki Kodama
- G11 - INFORMATION STORAGE
Information Patent Grant
Reset signal generating circuit
- Patent number 4,607,178
- Issue date Aug 19, 1986
- Hitachi, Ltd.
- Mamoru Sugie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of controlling stop operation of rotating magnetic field for...
- Patent number 4,550,388
- Issue date Oct 29, 1985
- Hitachi, Ltd.
- Takashi Toyooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing circuit for magnetic bubble memory devices
- Patent number 4,538,242
- Issue date Aug 27, 1985
- Takashi Toyooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory device
- Patent number 4,530,070
- Issue date Jul 16, 1985
- Hitachi, Ltd.
- Mamoru Sugie
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory having auxiliary storage loops
- Patent number 4,519,049
- Issue date May 21, 1985
- Hitachi, Ltd.
- Takashi Toyooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory device
- Patent number 4,484,309
- Issue date Nov 20, 1984
- Hitachi, Ltd.
- Mamoru Sugie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Series resonant drive circuit for magnetic bubble memory
- Patent number 4,430,729
- Issue date Feb 7, 1984
- Hitachi, Ltd.
- Takashi Toyooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Series resonance drive circuit for magnetic bubble memory
- Patent number 4,379,341
- Issue date Apr 5, 1983
- Hitachi, Ltd.
- Takashi Toyooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive circuit for magnetic bubble device
- Patent number 4,247,911
- Issue date Jan 27, 1981
- Hitachi, Ltd.
- Shigeru Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit arrangement for suppressing magnetic induction noise due to...
- Patent number 4,151,608
- Issue date Apr 24, 1979
- Hitachi, Ltd.
- Nobuo Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble module
- Patent number 4,101,970
- Issue date Jul 18, 1978
- President of Kogyo Gijutsuin
- Nobuo Saito
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Sales management system, sales management server, sales server, res...
- Publication number 20020023017
- Publication date Feb 21, 2002
- International Business Machines Corporation
- Kazuyoshi Hidaka
- G06 - COMPUTING CALCULATING COUNTING

Takashi Toyooka

Person

Patents Grantslast 30 patents

Perpendicular magnetic recording medium and magnetic recording devi...

Flash-erase-type nonvolatile semiconductor storage device

Nonvolatile memory with flash erase capability

Nonvolatile memory with cluster-erase flash capability and solid st...

Flash-erase-type nonvolatile semiconductor storage device

Flash-erase-type nonvolatile semiconductor storage device

Nonvolatile memory with cluster-erase flash capability and solid st...

Magneto-optical recording and reproducing method, magneto-optical m...

Drive circuit for Bloch line memory

Magnetic bubble generator using plural conductors with common curre...

Magnetic bubble memory device

Method and apparatus for controlling renewal of data in optical dis...

Magnetic bubble memory device

Magnetic bubble memory device

Magnetic bubble memory device

Hybrid magnetic bubble memory device

Reset signal generating circuit

Method of controlling stop operation of rotating magnetic field for...

Signal processing circuit for magnetic bubble memory devices

Magnetic bubble memory device

Magnetic bubble memory having auxiliary storage loops

Magnetic bubble memory device

Series resonant drive circuit for magnetic bubble memory

Series resonance drive circuit for magnetic bubble memory

Drive circuit for magnetic bubble device

Circuit arrangement for suppressing magnetic induction noise due to...

Magnetic bubble module

Patents Applicationslast 30 patents

Sales management system, sales management server, sales server, res...