Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5878747 | Condom coated with acidic polysaccharides | Masahiko Fujii, Takao Furusho, Naoki Yamamoto | 1999-03-09 |
| 4338943 | Instrument for induction of labor | Tadao Okamoto, Eisuke Obata | 1982-07-13 |
| 4297369 | Certain muscle relaxant 3-methyl-2-benzofuran acetamides | Hiroshi Takizawa, Yoshimasa Oiji, Tatsuyuki Hirayama, Tamotu Hashimoto | 1981-10-27 |
| 4270541 | Instrument for induction of labor | Tadao Okamoto, Eisuke Obata | 1981-06-02 |