Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378147 | Method of producing melt, method of producing glass article, melting apparatus, and equipment for producing glass article | Yoji DOI, Takashi Enomoto, Akifumi NIWA, Shuntaro HYODO | 2025-08-05 |
| 12356511 | Heater for melting glass | Akifumi NIWA, Shuntaro HYODO, Yukihito Akita, Takashi Enomoto, Yoji DOI +2 more | 2025-07-08 |
| 12338153 | Method for producing mixed raw material, method for producing molten glass, method for producing glass article, apparatus for producing molten glass, and apparatus for producing glass article | — | 2025-06-24 |
| 12227443 | Heater, manufacturing apparatus for manufacturing glass article, and manufacturing method for manufacturing glass article | Akifumi NIWA, Shuntaro HYODO, Takashi Enomoto, Takeshi Yamazaki, Yoji DOI +2 more | 2025-02-18 |