Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376620 | Sulfonamide derivative, process for preparing the same and herbicide using the same | Takaaki Abe, Yuji Akiyoshi, Hiroshi Shiraishi, Ikuo Shiraishi, Mikio Kojima +1 more | 1994-12-27 |
| 5293512 | Semiconductor device having a groove type isolation region | Tadashi Nishigoori | 1994-03-08 |