Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278407 | Secondary-ion mass spectrometry apparatus using field limiting method | Yoshinori Ikebe, Hifumi Tamura, Akemi Furuki | 1994-01-11 |
| 4992661 | Method and apparatus for neutralizing an accumulated charge on a specimen by means of a conductive lattice deposited on the specimen | Hifumi Tamura, Yoshinori Ikebe, Katsuhiko Muroyama | 1991-02-12 |