LTEL Corporation

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Ohmiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical wireless communication method and apparatus
- Patent number 5,903,369
- Issue date May 11, 1999
- LTEL Corporation
- Masahiro Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wireless communication method and apparatus
- Patent number 5,706,115
- Issue date Jan 6, 1998
- LTEL Corporation
- Masahiro Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
75086917 - LTEL
- Serial number 75086917
- Filing date Apr 10, 1996
- LTEL Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75086830
- Serial number 75086830
- Filing date Apr 10, 1996
- LTEL Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75067637 - OPLAN
- Serial number 75067637
- Registration number 2226473
- Filing date Mar 5, 1996
- LTEL CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments