Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876458 | Apparatus for measuring particles in liquid | Kazuo Takeda, Yoshitoshi Ito, Noriaki Honma | 1989-10-24 |
| 4827143 | Monitor for particles of various materials | Yoshitoshi Itoh | 1989-05-02 |