Tetsuo Machida

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Tagajyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Injection molding machine for making a magnetic tape cassette
- Patent number 5,385,461
- Issue date Jan 31, 1995
- Sony Corporation
- Tetsuo Machida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection molding method, injection molding machine, injection mold...
- Patent number 5,372,770
- Issue date Dec 13, 1994
- Sony Corporation
- Tetsuo Machida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection/compression molding method, a die for injection/compressi...
- Patent number 5,340,528
- Issue date Aug 23, 1994
- Sony Corporation
- Tetsuo Machida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Disk cartridge made by injecting molten synthetic resin into a mold...
- Patent number 5,161,081
- Issue date Nov 3, 1992
- Sony Corporation
- Tetsuo Machida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tape cassette
- Patent number 4,706,149
- Issue date Nov 10, 1987
- Sony Corporation
- Tetsuo Machida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tape cassette
- Patent number 4,131,243
- Issue date Dec 26, 1978
- Sony Corporation
- Tetsuo Machida
- G11 - INFORMATION STORAGE