Tohru Nakajima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pattern detecting apparatus
- Patent number 5,576,825
- Issue date Nov 19, 1996
- Laurel Bank Machines Co., Ltd.
- Tohru Nakajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coin discriminator using a plurality of optical fiber groups
- Patent number 5,346,049
- Issue date Sep 13, 1994
- Laurel Bank Machines Co., Ltd.
- Tohru Nakajima
- G07 - CHECKING-DEVICES
Information Patent Grant
Optical divider for multimode optical fiber systems
- Patent number 5,058,978
- Issue date Oct 22, 1991
- Mitsubishi Gas Chemical Co., Inc.
- Osamu Kondoh
- G02 - OPTICS