Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714291 | Lumbar support | Takemi Hattori | 1987-12-22 |
NT
Nobuhiko Takeda
Hoya: 4 patents #305 of 1,290Top 25%
Araco Kabushiki Kaisha: 1 patents #30 of 107Top 30%
Rion Co.: 1 patents #63 of 139Top 50%
Overall (All Time): #155,020 of 4,157,543Top 4%
26
Patents All Time