Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350489 | Treatment method of cleaning surface of plastic molded item | — | 1994-09-27 |
| 5290361 | Surface treating cleaning method | Ichiro Hayashida, Masahiko Kakizawa, Kenichi Umekita, Hiroyoshi Nawa | 1994-03-01 |
| 5284802 | Container for semiconductor wafer sample and method of preparing sample | Takeyoshi Kakizaki | 1994-02-08 |