Hiromitsu Hirayama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electric power device with improved power factor
- Patent number 5,856,917
- Issue date Jan 5, 1999
- TDK Corporation
- Kenichi Aonuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor integrated circuit device having logic level conversi...
- Patent number 5,323,071
- Issue date Jun 21, 1994
- NEC Corporation
- Hiromitsu Hirayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrated circuit having field effect transistors
- Patent number 5,107,144
- Issue date Apr 21, 1992
- NEC Corporation
- Hiromitsu Hirayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor driver for producing switching and offset signals
- Patent number 5,015,873
- Issue date May 14, 1991
- NEC Corporation
- Hiromitsu Hirayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
GaAs field effect transistor having a WSi Schottky gate electrode i...
- Patent number 4,857,975
- Issue date Aug 15, 1989
- NEC Corporation
- Hiromitsu Hirayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Logic integrated circuit device formed on compound semiconductor su...
- Patent number 4,743,957
- Issue date May 10, 1988
- NEC Corporation
- Hiromitsu Hirayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Discharge lamp lightening device
- Patent number 4,547,705
- Issue date Oct 15, 1985
- TDK Corporation
- Hiromitsu Hirayama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Hiromitsu Hirayama

Person

Patents Grantslast 30 patents

Electric power device with improved power factor

Semiconductor integrated circuit device having logic level conversi...

Integrated circuit having field effect transistors

Semiconductor driver for producing switching and offset signals

GaAs field effect transistor having a WSi Schottky gate electrode i...

Logic integrated circuit device formed on compound semiconductor su...

Discharge lamp lightening device