Tomofumi Otani

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Low-noise chain having bushings and rollers with matching curved su...
- Patent number 6,213,904
- Issue date Apr 10, 2001
- Tsubakimoto Chain Co.
- Koji Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Rolled part for chain and manufacturing method therefor
- Patent number 5,697,206
- Issue date Dec 16, 1997
- Tsubakimoto Chain Co.
- Tomofumi Otani
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Link plate for a chain
- Patent number D373950
- Issue date Sep 24, 1996
- Tsubakimoto Chain Co.
- Tomofumi Otani
- D08 - Tools and hardware