Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648868 | Disposable diaper | Yasushi Sayama, Toshifumi Otsubo | 2003-11-18 |
| 6544243 | Disposable diaper | Yasushi Sayama, Shunsuke Fujino | 2003-04-08 |
| 6530356 | Engine block structure for reciprocating engine | Takashi Mitsuhara, Takashi Ohtsuru, Masako Shinohara, Arata Matsue | 2003-03-11 |