Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433304 | Perforating machining method with laser beam | Tokuji Okumura, Kazushiro Wakabayashi, Kazuo Isogai, Hideshi Takekuma | 2002-08-13 |
| 6240674 | Seedling raising sheet, method of manufacturing same, seedling raising method, culturing method, and transplanter | Yasumi Fukuzumi, Tsuneo Onodera, Yoshiaki Watanabe, Shigetaka Isoyama, Masashi Numabe | 2001-06-05 |