Kazufumi Naito

Person

Ohtsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Load detector circuit
- Patent number 4,951,765
- Issue date Aug 28, 1990
- Ishida Scales Mfg. Co., Ltd.
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Weight sensing apparatus
- Patent number 4,926,359
- Issue date May 15, 1990
- Kabushiki Kaisha Ishida Koki Seisakusho
- Satoshi Konishi
- G01 - MEASURING TESTING
Information Patent Grant
Zero-point adjustment of weighing device
- Patent number 4,850,442
- Issue date Jul 25, 1989
- Ishida Scales Manufacturing Company, Ltd.
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Combination weighing system and method
- Patent number RE32987
- Issue date Jul 18, 1989
- Ishida Scales Manufacturing Company, Ltd.
- Kazufumi Naito
- 177 - Weighing scales
Information Patent Grant
Control for a weighing system
- Patent number 4,771,836
- Issue date Sep 20, 1988
- Ishida Scales Manufacturing Company, Ltd.
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Double integral type A/D converter
- Patent number 4,739,305
- Issue date Apr 19, 1988
- Ishida Scales Mfg. Co., Ltd.
- Kazufumi Naito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Span adjustment system and method
- Patent number 4,727,947
- Issue date Mar 1, 1988
- Ishida Scales Manufacturing Company, Ltd.
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Electronic weigher with compensated test signal
- Patent number 4,722,406
- Issue date Feb 2, 1988
- Ishida Scales Mfg. Co. Ltd.
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Signal processing circuit and weighing apparatus incorporating same
- Patent number 4,705,126
- Issue date Nov 10, 1987
- Ishida Scales Manufacturing Company, Ltd.
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Combination weighing system and method
- Patent number 4,694,920
- Issue date Sep 22, 1987
- Ishida Scales Manufacturing Company, Ltd.
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Multiple input signal high-speed analog-digital converter circuit
- Patent number 4,677,422
- Issue date Jun 30, 1987
- Kabushiki Kaisha Ishida Koki Seisakusho
- Kazufumi Naito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electromagnetic feeder drive control apparatus
- Patent number 4,626,956
- Issue date Dec 2, 1986
- Kabushiki Kaisha Ishida Koki Seisakusho
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Weight sensor with vibration error correction
- Patent number 4,624,331
- Issue date Nov 25, 1986
- Kabushiki Kaisha Ishida Koki Seisakusho
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Load sensor using a piezoelectric S.A.W. device
- Patent number 4,623,813
- Issue date Nov 18, 1986
- Kabushiki Kaisha Ishida Koki Seisakusho
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Double integrating-type analog-to-digital converter
- Patent number 4,620,178
- Issue date Oct 28, 1986
- Kabushiki Kaisha Ishida Koki Seisakusho
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Span adjusting system of electronic weighing apparatus
- Patent number 4,545,445
- Issue date Oct 8, 1985
- Kabushiki Kaisha Ishida Koki Seisakusho
- Kazufumi Naito
- G01 - MEASURING TESTING
Information Patent Grant
Differential amplifier containing a low-pass filter
- Patent number 4,484,146
- Issue date Nov 20, 1984
- Kabushiki Kaisha Ishida Koki Seisakusho
- Kazufumi Naito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Weight detection circuit for a load cell scale
- Patent number 4,475,608
- Issue date Oct 9, 1984
- Kabushiki Kaisha Ishida Koki Seisakusho
- Kazufumi Naito
- G01 - MEASURING TESTING

Kazufumi Naito

Person

Patents Grantslast 30 patents

Load detector circuit

Weight sensing apparatus

Zero-point adjustment of weighing device

Combination weighing system and method

Control for a weighing system

Double integral type A/D converter

Span adjustment system and method

Electronic weigher with compensated test signal

Signal processing circuit and weighing apparatus incorporating same

Combination weighing system and method

Multiple input signal high-speed analog-digital converter circuit

Electromagnetic feeder drive control apparatus

Weight sensor with vibration error correction

Load sensor using a piezoelectric S.A.W. device

Double integrating-type analog-to-digital converter

Span adjusting system of electronic weighing apparatus

Differential amplifier containing a low-pass filter

Weight detection circuit for a load cell scale