Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767054 | Apparatus for changing artificial snow to wet snow | Nagaichi Suga | 1988-08-30 |
| 4766488 | Falling particle televising apparatus | Nagaichi Suga, Yoshio Sasho, Taro Mori | 1988-08-23 |
| 4760748 | Optical deterioration-accelerating weather and optical resistance testing apparatus | Taro Mori | 1988-08-02 |
| 4746064 | Snow generating and snowfall apparatus | Kenji Isono, Jutaro Kobayashi, Takehiko Gonda, Yoshio Sasyo, Nagaichi Suga | 1988-05-24 |