Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D332147 | Bay window | Hideo Hirabayashi, Masakazu Makino | 1992-12-29 |
| D331468 | Bay window | Hideo Hirabayashi, Masakazu Makino | 1992-12-01 |
| 5161593 | Shutter assembly for a bay window | Hideo Hirabayashi, Masakazu Makino, Hirosaburou Mori | 1992-11-10 |
| 4979331 | Hothouse for cultivation | Yoshiaki Tanaka, Hiroshi Kobayashi, Kiyoshi Isokawa, Kazunobu Fukano, Shin-ichi Kadowaki | 1990-12-25 |