The producer
Why it matters.
USURAI provides rare exact evidence connecting a named maker, named glass family, and named acclaimed bars and restaurants in Hong Kong and Bangkok.
The origin.
Toyo-Sasaki Glass develops and manufactures Japanese table glass at its Yachiyo headquarters and plant. Its HS program has served foodservice for more than fifty years, while USURAI applies full-surface ion toughening to thin, light tumblers.
What they make
Products.
glassware
USURAI Tumbler Series
Thin, lightweight, dishwasher-safe professional tumblers engineered for clarity, scratch resistance, and commercial durability.
Restaurant relationships
Used by.
- Mott 32Source ↗
Restaurant · Modern Cantonese with Shanghai & Beijing Influences · Hong Kong, Hong Kong
USURAI Tumbler Series
Historical · Supplies · Documented before record–Jun 2024
- PenicillinSource ↗
Bar · Cocktail Bar · Hong Kong, Hong Kong
USURAI Tumbler Series
Historical · Supplies · Documented before record–Jun 2024
- Riva del FiumeSource ↗
Restaurant · Modern Italian · Bangkok, Thailand
USURAI Tumbler Series
Historical · Supplies · Documented before record–Aug 2024
Farms, studios & facilities
Where they work.
Processing Facility · Primary
Toyo-Sasaki Glass Yachiyo headquarters and plant
Yachiyo, Chiba, Japan
Sources & verification
- Toyo-Sasaki Visiting Series — Riva del Fiume Bangkok — Made By Producer Research· Aug 2026
- Toyo-Sasaki Visiting Series — Penicillin Hong Kong — Made By Producer Research· Aug 2026
- Toyo-Sasaki HS and USURAI — Made By Producer Research· Aug 2026
- Toyo-Sasaki Glass — official company profile — Made By Producer Research· Aug 2026