Makoto Tachikawa

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for controlling a system process
- Patent number 5,581,759
- Issue date Dec 3, 1996
- Hitachi, Ltd.
- Akihiro Ohhashi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Apparatus and method for controlling a system process
- Patent number 5,355,482
- Issue date Oct 11, 1994
- Hitachi, Ltd.
- Akihiro Ohhashi
- G05 - CONTROLLING REGULATING
Information Patent Grant
System for partially erasing thermally written liquid crystal element
- Patent number 5,268,776
- Issue date Dec 7, 1993
- Hitachi, Ltd.
- Makoto Tachikawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Control method of brightness of screen used for projection display...
- Patent number 4,964,719
- Issue date Oct 23, 1990
- Hitachi, Ltd.
- Makoto Tachikawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Speed detecting method and apparatus
- Patent number 4,584,528
- Issue date Apr 22, 1986
- Hitachi, Ltd.
- Tsutomu Ohmae
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for controlling load current
- Patent number 4,468,724
- Issue date Aug 28, 1984
- Hitachi, Ltd.
- Tsutomu Omae
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Non-Contact Charging Apparatus for Mobile Body and Non-Contact Char...
- Publication number 20140117930
- Publication date May 1, 2014
- Hitachi, Ltd
- Shin IMAZU
- B60 - VEHICLES IN GENERAL