Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116949 | Benzoyl urea compound-albumin complex | Tsunetaka Nakajima, Nobuo Kondo, Masahiro Watanabe, Koichi Yamauchi, Kazumasa Yokoyama +4 more | 1992-05-26 |
| 5036072 | Antiviral agent | Tsunetaka Nakajima, Masahiro Watanabe, Kazumasa Yokoyama | 1991-07-30 |
| 4338943 | Instrument for induction of labor | Eisuke Obata, Yutaka Enomoto | 1982-07-13 |
| D265327 | Balloon | — | 1982-07-06 |
| D261808 | Prophylactic device | — | 1981-11-10 |
| D260818 | Prophylactic device | — | 1981-09-15 |
| D259442 | Prophylactic device | — | 1981-06-02 |
| 4270541 | Instrument for induction of labor | Eisuke Obata, Yutaka Enomoto | 1981-06-02 |