Hiroaki Yamashita

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Hamakita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Filter having internally threaded cover non-rotatably mounted to ca...
- Patent number 5,593,577
- Issue date Jan 14, 1997
- Toyo Roki Seizo Kabushikikaisha
- Koji Imai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter apparatus having a casing with improved structure for holdin...
- Patent number 5,538,633
- Issue date Jul 23, 1996
- Toyo Roki Seizo Kabushikikaisha
- Kyoji Kitajima
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES