Tamihiro Ishimura

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Feedback controlled substrate bias generator
- Patent number 6,459,327
- Issue date Oct 1, 2002
- Oki Electric Industry Co., Ltd.
- Hitoshi Yamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor memory device
- Patent number 5,818,787
- Issue date Oct 6, 1998
- Oki Electric Industry Co., Ltd.
- Sampei Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device
- Patent number 5,768,210
- Issue date Jun 16, 1998
- Oki Electric Industry Co., Ltd.
- Katsuaki Matsui
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device
- Patent number 5,699,316
- Issue date Dec 16, 1997
- Oki Electric Industry Co., Ltd.
- Katsuaki Matsui
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having a CMOS element as a buffer
- Patent number 5,686,752
- Issue date Nov 11, 1997
- Oki Electric Industry Co., Ltd.
- Tamihiro Ishimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor memory with improved transfer gate drivers
- Patent number 5,521,869
- Issue date May 28, 1996
- Oki Electric Industry Co., Ltd.
- Tamihiro Ishimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device with resistive power supply connection
- Patent number 5,517,444
- Issue date May 14, 1996
- Oki Electric Industry Co., Ltd.
- Tamihiro Ishimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory circuit
- Patent number 5,452,260
- Issue date Sep 19, 1995
- Oki Electric Industry Co., Ltd.
- Katsuaki Matsui
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory with improved transfer gate drivers
- Patent number 5,394,374
- Issue date Feb 28, 1995
- Oki Electric Industry Co., Ltd.
- Tamihiro Ishimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device being coupled by auxiliary power lines...
- Patent number 5,321,658
- Issue date Jun 14, 1994
- Oki Electric Industry Co., Ltd.
- Tamihiro Ishimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory circuit
- Patent number 5,297,105
- Issue date Mar 22, 1994
- Oki Electric Industry Co., Ltd.
- Katsuaki Matsui
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device with noise reduction system
- Patent number 5,280,453
- Issue date Jan 18, 1994
- Oki Electric Industry Co., Ltd.
- Masahumi Miyawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Data bus clamp circuit for a semiconductor memory device
- Patent number 5,260,904
- Issue date Nov 9, 1993
- Oki Electric Industry Co., Ltd.
- Masahumi Miyawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
CMOS memory device with improved sense amplifier biasing
- Patent number 5,177,586
- Issue date Jan 5, 1993
- Oki Electric Industry Co., Ltd.
- Tamihiro Ishimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual current data bus clamp circuit of semiconductor memory device
- Patent number 5,091,886
- Issue date Feb 25, 1992
- Oki Electric Industry Co., Ltd.
- Masahumi Miyawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
CMOS memory device with improved sense amplifier biasing
- Patent number 5,087,957
- Issue date Feb 11, 1992
- Oki Electric Industry Co., Ltd.
- Tamihiro Ishimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive circuit with a ring oscillator for a semiconductor device
- Patent number 4,843,258
- Issue date Jun 27, 1989
- Oki Electric Industry Co., Ltd.
- Masahumi Miyawaki
- G05 - CONTROLLING REGULATING

Tamihiro Ishimura

Person

Patents Grantslast 30 patents

Feedback controlled substrate bias generator

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor device having a CMOS element as a buffer

Semiconductor memory with improved transfer gate drivers

Semiconductor memory device with resistive power supply connection

Semiconductor memory circuit

Semiconductor memory with improved transfer gate drivers

Semiconductor memory device being coupled by auxiliary power lines...

Semiconductor memory circuit

Semiconductor memory device with noise reduction system

Data bus clamp circuit for a semiconductor memory device

CMOS memory device with improved sense amplifier biasing

Dual current data bus clamp circuit of semiconductor memory device

CMOS memory device with improved sense amplifier biasing

Drive circuit with a ring oscillator for a semiconductor device