Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671971 | Apparatus for adjusting fastening position of fastening means in seat belt device | Toshiro Koyanagi, Haruyuki Takagi | 1997-09-30 |
| 5378038 | Restraining protective foldable seat for infants | Toshiro Koyanagi, Haruyuki Takagi | 1995-01-03 |
| D353057 | Car chair for a child | Toshiro Koyanagi | 1994-12-06 |
| 5303979 | Apparatus for adjusting fastening position of fastening means in seat belt device | Toshiro Koyanagi, Haruyuki Takagi | 1994-04-19 |
| D343738 | Car chair | Toshiro Koyanagi | 1994-02-01 |