NORIAKI HATANAKA

Person

CHIGASAKI-SHI, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information storage device having transducers operating in a pulse...
- Patent number 6,473,255
- Issue date Oct 29, 2002
- Hitachi, Ltd.
- Noriaki Hatanaka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Signal amplifier and magnetic disk storage apparatus using the same
- Patent number 6,218,903
- Issue date Apr 17, 2001
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal amplifier apparatus and magnetic disk storage apparatus usin...
- Patent number 6,163,218
- Issue date Dec 19, 2000
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal amplifier apparatus and magnetic disk storage apparatus usin...
- Patent number 6,114,905
- Issue date Sep 5, 2000
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Write driver circuit
- Patent number 5,638,012
- Issue date Jun 10, 1997
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Read and/or write integrated circuit having an operation timing adj...
- Patent number 5,434,717
- Issue date Jul 18, 1995
- Hitachi, Ltd.
- Masaki Yoshinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head circuit having a write current changeover circuit wit...
- Patent number 5,392,172
- Issue date Feb 21, 1995
- Hitachi, Ltd.
- Masaki Yoshinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Current drive circuit for an induction coil
- Patent number 4,249,219
- Issue date Feb 3, 1981
- Hitachi, Ltd.
- Hajime Aoi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION STORAGE DEVICE HAVING TRANSDUCERS OPERATING IN A PULSE...
- Publication number 20010015867
- Publication date Aug 23, 2001
- NORIAKI HATANAKA
- B82 - NANO-TECHNOLOGY

NORIAKI HATANAKA

Person

Patents Grantslast 30 patents

Information storage device having transducers operating in a pulse...

Signal amplifier and magnetic disk storage apparatus using the same

Signal amplifier apparatus and magnetic disk storage apparatus usin...

Signal amplifier apparatus and magnetic disk storage apparatus usin...

Write driver circuit

Read and/or write integrated circuit having an operation timing adj...

Magnetic head circuit having a write current changeover circuit wit...

Current drive circuit for an induction coil

Patents Applicationslast 30 patents

INFORMATION STORAGE DEVICE HAVING TRANSDUCERS OPERATING IN A PULSE...