Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976260 | Semiconductor producing apparatus, and wafer vacuum chucking device, gas cleaning method and nitride film forming method in semiconductor producing apparatus | Yoshimi Kinoshita, Tomoyuki Kanda, Katsuhisa Kitano, Kazuo Yoshida, Hiroshi Ohnishi +9 more | 1999-11-02 |
| 5534073 | Semiconductor producing apparatus comprising wafer vacuum chucking device | Yoshimi Kinoshita, Tomoyuki Kanda, Katsuhisa Kitano, Kazuo Yoshida, Hiroshi Ohnishi +9 more | 1996-07-09 |
| 5093281 | method for manufacturing semiconductor devices | — | 1992-03-03 |
| 4923386 | Apparatus for forming leads of a semiconductor device | Yasuyoshi Kai | 1990-05-08 |
| 4885837 | Apparatus for forming leads of semiconductor devices | Kunihiro Yasutake, Katuhiko Yamasaki | 1989-12-12 |