Masaoki Sekine

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Saku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mold
- Patent number 4,726,758
- Issue date Feb 23, 1988
- TDK Corporation
- Masaoki Sekine
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tape cover of magnetic tape cassette and process for preparing tape...
- Patent number 4,382,523
- Issue date May 10, 1983
- TDK Electronics Co., Ltd.
- Masaoki Sekine
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tape cover of magnetic tape cassette and process for preparing tape...
- Patent number 4,382,522
- Issue date May 10, 1983
- TDK Electronics Co., Ltd.
- Seiki Shimazu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of stripping a molded article
- Patent number 4,231,987
- Issue date Nov 4, 1980
- TDK Electronics Company Limited
- Masayuki Osawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL