Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10607904 | Method for producing airtight package by sealing a glass lid to a container | Takuji Oka | 2020-03-31 |
| 10600954 | Method for producing hermetic package | — | 2020-03-24 |
| 10586745 | Airtight package and method for manufacturing same | Takuji Oka, Koichi YABUUCHI | 2020-03-10 |