Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877730 | Microbiological method for producing ethylene | Sueo Urushizaki, Yasuo Ohta | 1989-10-31 |
| 4797945 | Image data coding apparatus | Yoshiyuki Suzuki, Masahiro Funada, Yukio Sato | 1989-01-10 |