Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8242063 | Lubricating grease composition | Yasushi Kawamura, Keiji Tanaka | 2012-08-14 |
| 7186324 | Hard film cutting tools, cutting tool coated with hard film, process for forming hard film and target used to form hard film | Kenji Yamamoto, Yasuomi Morikawa, Koji Hanaguri, Kazuki Takahara | 2007-03-06 |
| 6919288 | Hard film for cutting tools, cutting tool coated with hard film, process for forming hard film, and target used to form hard film | Kenji Yamamoto, Yasuomi Morikawa, Koji Hanaguri, Kazuki Takahara | 2005-07-19 |
| 6878218 | High strength gear and method of producing the same | Takuro Yamaguchi, Keizo Otani, Jun Katoh, Satoshi Abe, Masakazu Ikeda | 2005-04-12 |
| 6824601 | Hard film for cutting tools, cutting tool coated with hard film, process for forming hard film, and target used to form hard film | Kenji Yamamoto, Yasuomi Morikawa, Koji Hanaguri, Kazuki Takahara | 2004-11-30 |