Patent Assignee: Toyo Glass Company Limited

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Production method for lead-free crystal glass composition
Inventor: Komiya, et al. | Patent Number: 5897678

Apparatus for inspecting a bottom border portion of transparent glass vessel for a foreign article
Inventor: Takizawa | Patent Number: 5444237

Lead-free glass composition having properties similar to lead crystal glass
Inventor: Ogata, et al. | Patent Number: 5376597

Glass article cutting method
Inventor: Ogata, et al. | Patent Number: 5332411

Method of and apparatus for chamfering edge of glass vessel
Inventor: Ogata, et al. | Patent Number: 5322542

Method of and apparatus for inspecting bottle or the like
Inventor: Gomibuchi | Patent Number: 5305391

Apparatus for sorting opaque foreign article from among transparent bodies
Inventor: Sawamura | Patent Number: 5273166

Vacuum degree inspecting device for sealed up vessel
Inventor: Yamato, et al. | Patent Number: 4850696

Vessel opening top inspection method
Inventor: Minato | Patent Number: 4811251

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