Ayumi Ikeda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color liquid crystal display and method of manufacture
- Patent number 5,229,039
- Issue date Jul 20, 1993
- International Business Machines Corporation
- Ayumi Ikeda
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device and method of manufacture
- Patent number 5,121,237
- Issue date Jun 9, 1992
- International Business Machines Corporation
- Ayumi Ikeda
- G02 - OPTICS
Information Patent Grant
Color filter, liquid crystal display using same and method of repai...
- Patent number 5,095,379
- Issue date Mar 10, 1992
- International Business Machines Corporation
- Tetsuya Fukunaga
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Permittivity Measurement Method, Permittivity Measurement System, P...
- Publication number 20250189473
- Publication date Jun 12, 2025
- Nippon Telegraph and Telephone Corporation
- Masahito Nakamura
- G01 - MEASURING TESTING
Information Patent Application
Dielectric Spectroscopy Sensor
- Publication number 20250102453
- Publication date Mar 27, 2025
- Nippon Telegraph and Telephone Corporation
- Masahito Nakamura
- G01 - MEASURING TESTING
Information Patent Application
Dielectric Spectroscopy Sensor
- Publication number 20250076234
- Publication date Mar 6, 2025
- Nippon Telegraph and Telephone Corporation
- Masahito Nakamura
- G01 - MEASURING TESTING