Koichi Hanafusa

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Kitakatsuragi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Amplifier circuit and power supply provided therewith
- Patent number 6,850,118
- Issue date Feb 1, 2005
- Sharp Kabushiki Kaisha
- Koichi Hanafusa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Output driving circuit for use in DC stabilized power supply circuit
- Patent number 5,859,757
- Issue date Jan 12, 1999
- Sharp Kabushiki Kaisha
- Koichi Hanafusa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Light-receiving and amplifying device capable of switching between...
- Patent number 5,483,200
- Issue date Jan 9, 1996
- Sharp Kabushiki Kaisha
- Naonori Okabayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Light-receiving and amplyfying device capable of widening an AC ope...
- Patent number 5,321,254
- Issue date Jun 14, 1994
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Amplifier circuit and power supply provided therewith
- Publication number 20040124925
- Publication date Jul 1, 2004
- Koichi Hanafusa
- G05 - CONTROLLING REGULATING