Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858255 | Printed circuit plates | Masakatu Takaishi, Hideaki Ishitobi, Kiyoshi Kondo, Hiroya Ito | 1999-01-12 |
| 5387361 | Etching liquid for aluminium, method of etching aluminium and etched aluminium product | Masakatu Takaishi, Hideaki Ishitobi, Kiyoshi Kondo, Hiroya Ito | 1995-02-07 |