Yoshio Maeda

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Katsuta, JP

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Patents Grantslast 30 patents

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Fluorescence polarization analyzer
- Patent number 4,429,230
- Issue date Jan 31, 1984
- Hitachi, Ltd.
- Tadashi Honkawa
- G01 - MEASURING TESTING
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Wavelength reading apparatus for monochromator
- Patent number 4,203,669
- Issue date May 20, 1980
- Hitachi, Ltd.
- Yoshio Maeda
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for converting light signals into digital electrical signals
- Patent number 4,201,472
- Issue date May 6, 1980
- Hitachi, Ltd.
- Yoshio Maeda
- G01 - MEASURING TESTING
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Spectrophotometers with digital processing
- Patent number 4,180,327
- Issue date Dec 25, 1979
- Hitachi, Ltd.
- Yoshio Maeda
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for optically analyzing specimen by using two...
- Patent number 4,176,957
- Issue date Dec 4, 1979
- Hitachi, Ltd.
- Yoshio Maeda
- G01 - MEASURING TESTING
Information Patent Grant
Control apparatus for driving a pulse motor
- Patent number 4,145,643
- Issue date Mar 20, 1979
- Hitachi, Ltd.
- Yoshio Maeda
- G05 - CONTROLLING REGULATING
Information Patent Grant
Monochromator combining a plurality of light dispersing elements
- Patent number 4,102,576
- Issue date Jul 25, 1978
- Hitachi, Ltd.
- Yoshio Maeda
- G01 - MEASURING TESTING