Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467426 | Air lumbar support | Takashi Hida, Kazutaka Kuwana | 1984-08-21 |
KT
Katsuki Takayama
Overall (All Time): #4,039,826 of 4,157,543Top 100%
1
Patents All Time