Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886435 | Scroll compressor with intermittent oil supply passage | Kiyoshi Sawai, Shuuichi Yamamoto, Hiroshi Morokoshi, Shigeru Muramatsu | 1989-12-12 |
| 4839360 | Lactam derivatives | Yasuhiko Sato, Koichiro Yamada, Sumihiro Nomura, Ryuichi Ishida | 1989-06-13 |