Atsushi Takenaka

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Patents Grantslast 30 patents

Information Patent Grant
Display apparatus
- Patent number 6,473,077
- Issue date Oct 29, 2002
- International Business Machines Corporation
- Atsushi Takenaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Alignment film, a method for producing the alignment film and a liq...
- Patent number 5,786,041
- Issue date Jul 28, 1998
- International Business Machines Corporation
- Atsushi Takenaka
- G02 - OPTICS