Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D640734 | Ergo calculator | Marc Chase Weinstein | 2011-06-28 |
| D640748 | Double-sided information stand | Marc Chase Weinstein | 2011-06-28 |
| D633942 | Display base with flip book | Marc Chase Weinstein | 2011-03-08 |
| 5065834 | Driving wheel slip control system having failsafe function | Kazuo Hirabayashi, Tetsuya Oono, Eitetsu Akiyama, Yukihisa Ishii, Shigenobu Sekiya | 1991-11-19 |
| 4745542 | Fail-safe control circuit | Satoshi Baba, Tadashi Nose, Tetsuji Muto | 1988-05-17 |