Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10076773 | Method for washing reactor | Shinya Takahashi, Kazuhiko Tasaka, Yuichi Tanaka | 2018-09-18 |
| 9988585 | Method for producing base oil for lubricant oils | Kazuaki Hayasaka, Yoshiyuki Nagayasu, Mayumi Yokoi, Tomohisa Hirano | 2018-06-05 |
| 9868912 | Method for producing lubricant oil base oil | Kazuaki Hayasaka, Yasushi Wada, Koshi TAKAHAMA | 2018-01-16 |