Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916520 | Brazing fillers for sealing vacuum-tight vessels, vacuum-tight vessels and method for manufacturing vacuum-tight vessels | Miho Maruyama, Masako Nakahashi, Rika Takigawa, Shoji Niwa | 1999-06-29 |
| 5294761 | Vacuum interrupter | Tsutomu Okutomi, Tsuneyo Seki, Hideo Suzuki, Shinzo Sugai, Kazuya Tujimoto +3 more | 1994-03-15 |