Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824696 | Production process and adhesives for corrugated board | Masateru Tokumo, Kinichi Shirakawa, Takatoshi Koyakumaru, Takuji Okaya, Hiroji Kohno | 1989-04-25 |
| 4803734 | Method of and apparatus for detecting pattern defects | Tetsuo Sano, Tetsuo Hoki, Eiji Kodama, Hisayuki Tsujinaka, Ryuji Kitakado | 1989-02-07 |