Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7306233 | Combined oil control ring | — | 2007-12-11 |
| 7243596 | Spacer expander | Nobuo Katayama, Masahiro Nakazawa | 2007-07-17 |
| 5502114 | Terminal-modified polyolefins | Naomi Murakami, Hiroyuki Furuhashi, Satoshi Ueki | 1996-03-26 |
| 5382634 | Terminal-modifed polyolefins | Naomi Koyama, Hiroyuki Furuhashi, Satoshi Ueki | 1995-01-17 |
| 5177043 | .alpha.-olefin polymerization catalyst component | Naomi Koyama, Hiroyuki Furuhashi, Tomoko Okano, Masahide Murata, Satoshi Ueki +1 more | 1993-01-05 |