Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607821 | Optical exposure method | Tamae Haruki, Kenji Nakagawa, Masao Taguchi, Hiroyuki Tanaka, Satoru Asai | 1997-03-04 |
IH
Isamu Hanyu
Overall (1997): #138,010 of 185,788Top 75%
1
Patents 1997