Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152214 | Grease composition and rolling bearing | Koji Yoshizaki, Kazunori Miyake, Kazumi Sakai, Kiyomi Sakamoto | 2024-11-26 |
| 12037561 | Grease composition, and rolling bearing | Takeshi Tsuda, Yurie HAGINO, Kazumi Sakai, Go Tatsumi, Kiyomi Sakamoto | 2024-07-16 |
| 11952549 | Grease composition and rolling bearing | Kazunori Miyake, Kiyomi Sakamoto, Go Tatsumi | 2024-04-09 |
| 11279899 | Grease composition for a constant-velocity joint | Katsuhito Kusakai, Yasuo Suzuki, Kazuya Matsuoka, Toru Izumi | 2022-03-22 |