Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302270 | Oxygen concentration or humidity controlling apparatus | Shiro Yamauchi, Takeo Yoshioka, Kenro Mitsuda | 1994-04-12 |
TM
Toshiaki Murahashi
Overall (1994): #57,286 of 165,921Top 35%
1
Patents 1994