Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6674528 | Method and apparatus for measuring suspended particulate matter | Motoaki Adachi, Kikuo Okuyama, Shinichiro Totoki, Haruo Shimaoka, Akihiro Fukai | 2004-01-06 |
| 4186344 | Frequency converter | Masayasu Hata | 1980-01-29 |