Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629113 | Photomask used by photolithography and a process of producing same | — | 1997-05-13 |
| 5605775 | Photomask used by photolithography and a process of producing same | — | 1997-02-25 |
| 5601905 | Laminate for insulation protection of circuit boards | Takashi Tanaka, Kaoru Okamoto, Keiji Yoshizawa, Hiroyuki Chinju, Isamu Takarabe | 1997-02-11 |