Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660398 | Hydraulic sealing device | Kiminobu Terao, Mayumi Takada, Yorinori Kumagai, Takamichi Shimada, Toshio Oka | 1997-08-26 |
JN
Junya Nagai
Overall (1997): #124,383 of 185,788Top 70%
1
Patents 1997