Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205336 | Rolling shutter | Masaaki Munekata, Norihisa Isemura | 1993-04-27 |
| 4979331 | Hothouse for cultivation | Yoshiaki Tanaka, Hiroshi Kobayashi, Kiyoshi Isokawa, Yoshitsugu Utsumi, Shin-ichi Kadowaki | 1990-12-25 |