Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817707 | Heating soft floor mat | Kazuo Aoyama, Kiyoshi Hattori, Akio Okamoto, Kiyoshi Takahashi, Takashi Sasaki +1 more | 1989-04-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817707 | Heating soft floor mat | Kazuo Aoyama, Kiyoshi Hattori, Akio Okamoto, Kiyoshi Takahashi, Takashi Sasaki +1 more | 1989-04-04 |