Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8173256 | Aromatic polyamide fiber, a method for producing the same, and protective clothing material comprising the same | Yasuhiro Marumoto | 2012-05-08 |
| 6838401 | Heat-resistant fibrous paper | Sadamitsu Murayama, Michikage Matsui, Masanori Wada | 2005-01-04 |
| 5044415 | Automobile tire chain having wing-shaped mounting members hingeably attached to anti-sliding members | — | 1991-09-03 |