Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10937629 | Multi charged particle beam writing apparatus and multi charged particle beam writing method | Jun Yashima, Yasuo Kato, Masafumi Ise | 2021-03-02 |
| 9711172 | Magnetic recording device and reading method | — | 2017-07-18 |
| 8064155 | Storage apparatus | Motomichi Shibano | 2011-11-22 |
| 7532429 | Write-head positioning method and disk drive | Masaya Ohtake | 2009-05-12 |
| 7324295 | Method of detecting position of head in recording medium drive | Tsugito Maruyama | 2008-01-29 |
| 5872862 | Electron beam tester | Kazuo Okubo, Akio Ito | 1999-02-16 |
| 5825912 | Electron beam tester | Kazuo Okubo, Akio Ito | 1998-10-20 |
| 5600734 | Electron beam tester | Kazuo Okubo, Akio Ito | 1997-02-04 |
| 5416426 | Method of measuring a voltage with an electron beam apparatus | Kazuo Okubo, Akio Ito, Takayuki Anbe | 1995-05-16 |
| 5300880 | Method of measuring a voltage with an electron beam apparatus | Kazuo Okubo, Akio Ito, Takayuki Anbe | 1994-04-05 |