Toru Tsuruta

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical electronic apparatus and method for producing the same
- Patent number 6,680,491
- Issue date Jan 20, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hideyuki Nakanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 6,459,711
- Issue date Oct 1, 2002
- Matsushita Electronics Corporation
- Shin-ichi Hamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical electronic apparatus and method for producing the same
- Patent number 6,441,402
- Issue date Aug 27, 2002
- Matsushita Electronics Corporation
- Hideyuki Nakanishi
- G02 - OPTICS
Information Patent Grant
Optical semiconductor device with enhanced light reception
- Patent number 6,242,760
- Issue date Jun 5, 2001
- Matsushita Electronics Corporation
- Shin-ichi Hamaguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical electronic apparatus and method for producing the same
- Publication number 20020175387
- Publication date Nov 28, 2002
- Matsushita Electronics Corporation
- Hideyuki Nakanishi
- G02 - OPTICS
Information Patent Application
Optical electronic apparatus and method for producing the same
- Publication number 20010010584
- Publication date Aug 2, 2001
- Hideyuki Nakanishi
- G02 - OPTICS