Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5113622 | Apparatus for grinding semiconductor wafer | Masanori Nishiguchi | 1992-05-19 |
| 4540773 | Method of producing an improved polyacetal polymer | Hiroyasu Komazawa, Hiroshi Hotta, Hiroshi Nakatsuji, Kiyoshi Yoko, Seiichi Higashiyama +1 more | 1985-09-10 |