Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022362 | Ionization device | Daiji Okuda, Shigeru Kimoto, Hiroshi Okuda | 2011-09-20 |
| 6674528 | Method and apparatus for measuring suspended particulate matter | Kikuo Okuyama, Shinichiro Totoki, Michio Higuchi, Haruo Shimaoka, Akihiro Fukai | 2004-01-06 |
| 6461692 | Chemical vapor deposition method and chemical vapor deposition apparatus | Toshiaki Fujii, Kikuo Okuyama | 2002-10-08 |