Akira Okamoto

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for detecting position of underground excavator
- Patent number 5,107,938
- Issue date Apr 28, 1992
- Kabushiki Kaisha Komatsu Seisakusho Corporation
- Akira Okamoto
- E21 - EARTH DRILLING MINING
Information Patent Grant
Semiconductor photoelectric conversion device for light incident po...
- Patent number 4,761,547
- Issue date Aug 2, 1988
- Kabushiki Kaisha Komatsu Seisakusho
- Shigenori Torihata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cross flow type laser devices
- Patent number 4,571,730
- Issue date Feb 18, 1986
- Kabushiki Kaisha Komatsu Seisakusho
- Hakaru Mizoguchi
- H01 - BASIC ELECTRIC ELEMENTS