Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562292 | Method for manufacturing high-pressure phase material | Tomoaki Hata, Ikuo Sakakibara, Katsuhiko Takahashi | 2003-05-13 |
| 6517250 | Rolling bearing | Koya Ohira, Hidenobu Mikaki, Mari Kataoka, Takuya Ishii, Eiichiro Shimazu +1 more | 2003-02-11 |
| 6513986 | Electrical pittingproof rolling bearing | Masaki Egami | 2003-02-04 |