Tamio Ishihara

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Water quality meter and water quality monitoring system
- Patent number 6,444,172
- Issue date Sep 3, 2002
- Hitachi, Ltd.
- Masao Fukunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water quality meter and water quality monitoring system
- Patent number 6,398,930
- Issue date Jun 4, 2002
- Hitachi, Ltd.
- Masao Fukunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water quality meter and water monitoring system
- Patent number 6,290,908
- Issue date Sep 18, 2001
- Hitachi, Ltd.
- Masao Fukunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water quality management system
- Patent number 6,245,224
- Issue date Jun 12, 2001
- Hitachi, Ltd.
- Hideo Enoki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Capacitance type electromagnetic flowmeter
- Patent number 5,526,698
- Issue date Jun 18, 1996
- Hitachi, Ltd.
- Yutaka Sakurai
- G01 - MEASURING TESTING
Information Patent Grant
Electromagnetic flow meter
- Patent number 5,469,746
- Issue date Nov 28, 1995
- Hitachi, Ltd.
- Masao Fukunaga
- G08 - SIGNALLING
Information Patent Grant
Electromagnetic flow meter
- Patent number 5,458,003
- Issue date Oct 17, 1995
- Hitachi, Ltd.
- Tamio Ishihara
- G01 - MEASURING TESTING
Information Patent Grant
Electromagnetic flowmeter and manufacture method of same
- Patent number 5,400,659
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Kazuaki Yokoi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Electromagnetic flowmeter
- Patent number 5,307,687
- Issue date May 3, 1994
- Hitachi, Ltd.
- Masatsugu Arai
- G01 - MEASURING TESTING
Information Patent Grant
Plotter
- Patent number D319071
- Issue date Aug 13, 1991
- Hitachi, Ltd.
- Masayuki Tamasaku
- D18 - Printing and office machinery
Information Patent Grant
X-Y plotter for non-perforated paper
- Patent number 4,903,045
- Issue date Feb 20, 1990
- Hitachi, Ltd.
- Masami Sakamoto
- G01 - MEASURING TESTING
Information Patent Grant
X-Y plotter drive roller arrangement
- Patent number 4,683,480
- Issue date Jul 28, 1987
- Hitachi, Ltd.
- Masami Sakamoto
- G01 - MEASURING TESTING
Information Patent Grant
Pen changing apparatus for plotter
- Patent number 4,577,409
- Issue date Mar 25, 1986
- Hitachi, Ltd.
- Masami Sakamoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Water quality meter and water quality monitoring system
- Publication number 20010013488
- Publication date Aug 16, 2001
- Masao Fukunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Water quality meter and water quality monitoring system
- Publication number 20010011642
- Publication date Aug 9, 2001
- Masao Fukunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Tamio Ishihara

Person

Patents Grantslast 30 patents

Water quality meter and water quality monitoring system

Water quality meter and water quality monitoring system

Water quality meter and water monitoring system

Water quality management system

Capacitance type electromagnetic flowmeter

Electromagnetic flow meter

Electromagnetic flow meter

Electromagnetic flowmeter and manufacture method of same

Electromagnetic flowmeter

Plotter

X-Y plotter for non-perforated paper

X-Y plotter drive roller arrangement

Pen changing apparatus for plotter

Patents Applicationslast 30 patents

Water quality meter and water quality monitoring system

Water quality meter and water quality monitoring system