Toshikatsu Kawakami

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Mishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection type image displaying apparatus
- Patent number 5,990,853
- Issue date Nov 23, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yasunori Kuratomi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Video theater system and copy preventive method
- Patent number 5,303,294
- Issue date Apr 12, 1994
- Matsushita Electric Industrial Co., Ltd.
- Takayuki Kimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal time base compression apparatus
- Patent number 5,177,609
- Issue date Jan 5, 1993
- Matsushita Electric Industrial Co., Ltd.
- Toshikatsu Kawakami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for receiving character multiplex broadcasting
- Patent number 5,010,406
- Issue date Apr 23, 1991
- Matsushita Electric Industrial Co., Ltd.
- Toshikatsu Kawakami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS