Keita Ohtani

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Sendai City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor element utilizing optical transition between...
- Patent number 6,812,483
- Issue date Nov 2, 2004
- Japan Science and Technology Agency
- Hideo Ohno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spin filter
- Patent number 6,703,645
- Issue date Mar 9, 2004
- Tohoku University
- Hideo Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Intersubband light emitting element
- Patent number 6,476,411
- Issue date Nov 5, 2002
- TOHOKU UNIVERSITY
- Hideo Ohno
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SEMICONDUCTOR ELEMENT UTILIZING OPTICAL TRANSITION BETWEEN...
- Publication number 20040173883
- Publication date Sep 9, 2004
- Hideo Ohno
- G02 - OPTICS
Information Patent Application
Spin filter
- Publication number 20030122148
- Publication date Jul 3, 2003
- TOHOKU UNIVERSITY
- Hideo Ohno
- G06 - COMPUTING CALCULATING COUNTING