Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D553721 | Air-conditioner | Masahiko Chooji | 2007-10-23 |
| D553722 | Air-conditioner | Masahiko Chooji | 2007-10-23 |
| D553723 | Air-conditioner | Junji Nakamura, Masahiko Chooji | 2007-10-23 |
| 5775119 | Air conditioner outdoor unit housing | Wazo Yamada, Hideo Maeda, Yoshinori Yoshida, Yoshimi Okamoto, Keiko Ohno +2 more | 1998-07-07 |