Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287177 | Wound covering material | Toshihide Nakashima, Koichi Takakura, Takayoshi Suzuki | 1981-09-01 |
| 4259303 | Method of and system for treating waste anesthetic gas | Seisuke Takashima, Seishiro Nakamura | 1981-03-31 |