Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D331624 | Fin for use in a fin and tube heat exchanger in an air conditioner | Takayuki Yoshida, Tomohumi Tezuka | 1992-12-08 |
| D330760 | Fin for use in a fin and tube heating exchanger in an air conditioner | Takayuki Yoshida, Tomohumi Tezuka | 1992-11-03 |
| D329281 | Fin for use in a fin and tube heat exchanger in an air conditioner | Takayuki Yoshida, Tomohumi Tezuka | 1992-09-08 |