Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068542 | Method and apparatus for concentration measurement by the quantity, diameter and convergent of a transmitted light beam | Minato Ando, Takashi Kato, Yasuyuki Mizushima, Tsunetoshi Okura, Akemi Kurokawa | 1991-11-26 |