Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889557 | Aluminium alloy having an excellent forgiability | Shigenori Mae, Yoshio Urai, Takayuki TSUNODA | 1989-12-26 |
| 4879340 | Adsorbent composed of porous beads of chitosan and adsorption method using same | Soyao Moriguchi, Hiroshi Suzuki, Hiroko Watanabe, Motoaki Satoh, Michio Abe | 1989-11-07 |
| 4848691 | Apparatus for splicing a replacement web to a moving web | Yoshiyuki Muto, Kouzou Sakakibara, Shigesaburo Chiba | 1989-07-18 |