Takeshi Okuno

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Ishikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Driving method, drive IC and drive circuit for liquid crystal display
- Patent number 6,633,272
- Issue date Oct 14, 2003
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving method, drive IC and drive circuit for liquid crystal display
- Patent number 6,597,337
- Issue date Jul 22, 2003
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving method, drive IC and drive circuit for liquid crystal display
- Patent number 6,522,318
- Issue date Feb 18, 2003
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving method, drive IC and drive circuit for liquid crystal display
- Patent number 6,232,944
- Issue date May 15, 2001
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display-integrated coordinate input device
- Patent number 5,940,064
- Issue date Aug 17, 1999
- Matsushita Electric Industrial Co., Inc.
- Tsutomu Kai
- G06 - COMPUTING CALCULATING COUNTING