Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022362 | Ionization device | Shigeru Kimoto, Hiroshi Okuda, Motoaki Adachi | 2011-09-20 |
| 7880109 | Classification apparatus and fine particle measuring apparatus | Hiroshi Okuda, Fujio Inoue | 2011-02-01 |