Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824198 | Vehicle door impact beam | Katsuji Sakuma, Shinji Makino | 2004-11-30 |
| 5857734 | Energy absorbing structure for side portion of vehicle body | Shotaro Okamura, Masayoshi Takahashi | 1999-01-12 |
| 5345717 | Window construction for vehicles | Akiyoshi Mori, Katsuzi Sakuma | 1994-09-13 |