Shigeo Hara

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Hiratsuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing pitch-type carbon fiber
- Patent number 5,968,435
- Issue date Oct 19, 1999
- Nippon Steel Corporation
- Osamu Kato
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Spinning nozzle
- Patent number 4,717,331
- Issue date Jan 5, 1988
- Nippon Oil Company Limited
- Naoyuki Maeda
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL