Tatsuhiko Niina

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser apparatus and optical pickup apparatus using th...
- Patent number 5,727,009
- Issue date Mar 10, 1998
- Sanyo Electric Co., Ltd.
- Atsushi Tajiri
- G11 - INFORMATION STORAGE
Information Patent Grant
Light emitting diode device and method for producing same
- Patent number 5,187,547
- Issue date Feb 16, 1993
- Sanyo Electric Co., Ltd.
- Tatsuhiko Niina
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser having a burying layer of a II-VI compound
- Patent number 4,607,369
- Issue date Aug 19, 1986
- Sanyo Electric Co., Ltd.
- Tatsuhiko Niina
- H01 - BASIC ELECTRIC ELEMENTS