Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591349 | Microorganism removing method | Akira Ikeda, Yumiko Yoshimura, Yasuhiro Tanimura, Kenji Ezaki | 1997-01-07 |
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Naoki Nakatsugawa
Overall (1997): #99,756 of 185,788Top 55%
1
Patents 1997