Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719458 | Ball bearing | Takayuki Yatabe, Hisato Yamamoto, Takashi Ogawa, Tsuyoshi Koshi, Hiroya Achiha +1 more | 2004-04-13 |
| 6682223 | Ball bearing | Youichiro Sugimori, Yasushi Mutoh, Michiharu Naka, Takashi Ogawa, Hiroshi Ishiwada | 2004-01-27 |