Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371385 | Sliding member, and bearing, motor, and drive device using the same | Katsuyuki Aoki, Haruhiko Yamaguti, Minoru Takao, Yutaka Abe | 2025-07-29 |
| 12297152 | Silicon nitride sintered body, wear-resistant member using the same, and method for producing silicon nitride sintered body | — | 2025-05-13 |
| 11813693 | Friction stir welding tool member, and friction stir welding method using the same | Hidetoshi Fujii, Yoshiaki Morisada, Masahiro Kato, Takayuki Fukasawa, Yutaka Abe | 2023-11-14 |
| 11130194 | Friction stir welding tool member, friction stir welding apparatus using the same, and friction stir welding method | Hidetoshi Fujii, Yoshiaki Morisada, Isao Ikeda, Yutaka Abe, Masahiro Kato | 2021-09-28 |
| 11097374 | Friction stir welding tool member made of silicon nitride sintered body, and friction stir welding apparatus using the same | Hidetoshi Fujii, Yoshiaki Morisada, Isao Ikeda, Yutaka Abe, Masahiro Kato | 2021-08-24 |
| 10787393 | Silicon nitride sintered body and high-temperature-resistant member using the same | Isao Ikeda, Yutaka Abe | 2020-09-29 |
| 10744592 | Friction stir welding tool member made of silicon nitride sintered body and friction stir welding apparatus using same | Isao Ikeda, Yutaka Abe | 2020-08-18 |
| 9440887 | Silicon nitride sintered body and wear resistant member using the same | Michiyasu Komatsu, Haruhiko Yamaguti, Katsuyuki Aoki | 2016-09-13 |