Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681428 | Method of manufacturing an inorganic board | Shiro Nakajima | 1997-10-28 |
MK
Masaki Kanai
Overall (1997): #109,727 of 185,788Top 60%
1
Patents 1997