Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956051 | Sealed rolling bearing | Yasuhiko Shimizu, Yoriko Kosaka, Yuuki Ishizaki, Fumihiro Murakami | 2015-02-17 |
| 8740471 | Retainer segment for tapered roller bearing, tapered roller bearing, and method for mounting tapered roller bearing | Masahiro Yamada, Katsunori Sone, Yoriko Kosaka, Yuuki Ishizaki | 2014-06-03 |
| 6524009 | Rolling bearing | Tetsuya Kurimura, Tamotsu Kodama | 2003-02-25 |