Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655428 | Lubricating oil compositions and lubricating oil viscosity modifiers | Akio HAYAKAWA, Akihiro Udagawa, Yuji Tokunaga | 2023-05-23 |
| 9944728 | Production method of olefin (co)polymer containing constituent unit derived from 1-butene | Ikuko Ebisawa, Masahiro Yamashita, Takashi Yukita, Junichi Mohri, Junpei Tanaka | 2018-04-17 |
| 9323166 | Electrophotographic toner | Kuniaki Kawabe, Masakazu Tanaka, Hiroshi Matsuoka, Keiichi Taki | 2016-04-26 |