Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296800 | Seal device | Hajime Tsuboi, Toshiya Fuke | 2007-11-20 |
| 5843572 | Ink jet recording paper | Tsuyoshi Yasuda, Yoshio Yoshida, Michiko Okamoto, Yoshihiro Kuroyama | 1998-12-01 |
| 5753082 | Both-sided recording paper for ink jet recording and method of preparing the same | Yoshio Yoshida, Michiko Okamoto, Tsuyoshi Yasuda, Yoshihiro Kuroyama | 1998-05-19 |
| 5725946 | Recording paper | Michiko Okamoto, Yoshio Yoshida, Tsuyoshi Yasuda, Yoshihiro Kuroyama | 1998-03-10 |
| 4913406 | Shaft furnace having means for charging and adjusting a pre-mixture of ore and coke | Yasunori Serizawa, Kazuhiko Yoshida, Shigeyasu Suzuki, Masanobu Masukawa, Shoji Sakurai | 1990-04-03 |