Naotaka Iwata

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Predistortion type linearizer controlled by two control voltages
- Patent number 6,724,253
- Issue date Apr 20, 2004
- NEC Compound Semiconductor Devices, Ltd.
- Gary Hau
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Field effect transistor and fabrication process thereof
- Patent number 6,720,200
- Issue date Apr 13, 2004
- NEC Corporation
- Keiko Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field effect transistor
- Patent number 6,624,440
- Issue date Sep 23, 2003
- NEC Corporation
- Yasunori Bito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compound semiconductor field effect transistor with improved ohmic...
- Patent number 6,570,194
- Issue date May 27, 2003
- NEC Corporation
- Takehiko Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hetero-junction field effect transistor having an intermediate layer
- Patent number 6,552,373
- Issue date Apr 22, 2003
- NEC Corporation
- Yuji Ando
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compound semiconductor field effect transistor
- Patent number 6,534,790
- Issue date Mar 18, 2003
- NEC Corporation
- Takehiko Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and fabrication method thereof
- Patent number 6,436,756
- Issue date Aug 20, 2002
- NEC Corporation
- Takeshi B. Nishimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heterojunction field effect transistor
- Patent number 6,426,523
- Issue date Jul 30, 2002
- NEC Corporation
- Keiko Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microwave amplifier implemented by heterojunction field effect tran...
- Patent number 6,388,530
- Issue date May 14, 2002
- NEC Corporation
- Takeshi Nishimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Linearized power amplifier based on active feedforward-type predist...
- Patent number 6,353,360
- Issue date Mar 5, 2002
- NEC Corporation
- Gary Hau
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device having a metal-insulator-metal capacitor
- Patent number 6,144,051
- Issue date Nov 7, 2000
- NEC Corporation
- Takeshi B Nishimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Matching circuit and a method for matching a transistor circuit
- Patent number 6,130,589
- Issue date Oct 10, 2000
- NEC Corporation
- Keiko Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Passive element circuit
- Patent number 6,072,205
- Issue date Jun 6, 2000
- NEC Corporation
- Keiko Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device capable of reducing leak current and having ex...
- Patent number 6,025,613
- Issue date Feb 15, 2000
- NEC Corporation
- Yasunori Bito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making heterojunction bipolar structure having air and im...
- Patent number 5,943,577
- Issue date Aug 24, 1999
- NEC Corporation
- Walter Contrata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Depletion mode two-dimensional electron gas field effect transistor...
- Patent number 4,689,646
- Issue date Aug 25, 1987
- NEC Corporation
- Yoshishige Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Predistortion type linearizer controlled by two control voltages
- Publication number 20020186082
- Publication date Dec 12, 2002
- NEC COMPOUND SEMICONDUCTOR DEVICES, LTD.
- Gary Hau
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FIELD EFFECT TRANSISTOR
- Publication number 20020074563
- Publication date Jun 20, 2002
- Yasunori Bito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Field effect transistor
- Publication number 20020053682
- Publication date May 9, 2002
- Yasunori Bito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Linearized power amplifier based on active feedforward-type predist...
- Publication number 20020017954
- Publication date Feb 14, 2002
- Gary Hau
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Compound semiconductor device and method of manufacturing the same
- Publication number 20020003245
- Publication date Jan 10, 2002
- NEC Corporation
- Takehiko Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Hetero-junction field effect transistor having an intermediate layer
- Publication number 20010040247
- Publication date Nov 15, 2001
- Yuji Ando
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Field effect transistor and fabrication process thereof
- Publication number 20010024846
- Publication date Sep 27, 2001
- Keiko Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Compound semiconductor field effect transistor with improved ohmic...
- Publication number 20010019123
- Publication date Sep 6, 2001
- NEC Corporation
- Takehiko Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Field effect transistor and manufacturing method thereof
- Publication number 20010019131
- Publication date Sep 6, 2001
- Takehiko Kato
- H01 - BASIC ELECTRIC ELEMENTS

Naotaka Iwata

Person

Patents Grantslast 30 patents

Predistortion type linearizer controlled by two control voltages

Field effect transistor and fabrication process thereof

Field effect transistor

Compound semiconductor field effect transistor with improved ohmic...

Hetero-junction field effect transistor having an intermediate layer

Compound semiconductor field effect transistor

Semiconductor device and fabrication method thereof

Heterojunction field effect transistor

Microwave amplifier implemented by heterojunction field effect tran...

Linearized power amplifier based on active feedforward-type predist...

Semiconductor device having a metal-insulator-metal capacitor

Matching circuit and a method for matching a transistor circuit

Passive element circuit

Semiconductor device capable of reducing leak current and having ex...

Method of making heterojunction bipolar structure having air and im...

Depletion mode two-dimensional electron gas field effect transistor...

Patents Applicationslast 30 patents

Predistortion type linearizer controlled by two control voltages

FIELD EFFECT TRANSISTOR

Field effect transistor

Linearized power amplifier based on active feedforward-type predist...

Compound semiconductor device and method of manufacturing the same

Hetero-junction field effect transistor having an intermediate layer

Field effect transistor and fabrication process thereof

Compound semiconductor field effect transistor with improved ohmic...

Field effect transistor and manufacturing method thereof