Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568216 | Method for manufacturing a discharge tube | Takeshi Meguro, Kenji Hirai, Motomi Sakoda | 2003-05-27 |
| 6487878 | Method for manufacturing a discharge tube | Takeshi Meguro, Kenji Hirai, Motomi Sakoda | 2002-12-03 |