Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841618 | Method of manufacturing an electrocast shell having permeability | Yuichi Tazaki, Toshiyuki Kinugasa, Yoshiki Ishige, Yuichi Tsuchimoto | 1989-06-27 |
TF
Tamio Furuya
Overall (1989): #53,715 of 140,708Top 40%
1
Patents 1989