Kozo Kakehi

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Kuwana-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Split resin seal ring with chamfered end connection structures
- Patent number 5,934,680
- Issue date Aug 10, 1999
- NTN Corporation
- Kozo Kakehi
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Oil seal ring of synthetic resin having angularly displaced injecti...
- Patent number 5,628,519
- Issue date May 13, 1997
- NTN Corporation
- Kozo Kakehi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL