Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851601 | Processing for producing hydrocarbon oils from plastic waste | Takashi Fukuda, Satoru Suzuki, Hideki Sato, Toshio Hirota | 1989-07-25 |
| 4838383 | Apparatus for checking out purchases | Yoshiro Yamamoto, Takeo Sakuragi | 1989-06-13 |