Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370811 | Working fluid containing tetrafluoroethane | Koji Arita, Masami Funakura | 1994-12-06 |
| 5304319 | Working fluid | Koji Arita, Masami Funakura | 1994-04-19 |
YY
Yuji Yoshida
Overall (1994): #15,093 of 165,921Top 10%
2
Patents 1994