Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306774 | Tapered roller bearing | Makoto Zembutsu, Hiroaki Yamanaka, Tomoyuki Miyazaki | 2022-04-19 |
| 9039288 | Tapered roller bearing resin cage and tapered roller bearing | Takumi Takeuchi, Ryosuke Yamada, Kinji Yukawa, Tomoharu Saito, Kimiko Nakai | 2015-05-26 |
| 8998498 | Tapered roller bearing and manufacturing method for retainer of tapered roller bearing | Hironori Mizuki, Yasuhiro Ishimori, Masahiro Kita, Kinji Yukawa, Tomoharu Saito +1 more | 2015-04-07 |