Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083869 | Ferrous seal sliding parts and producing method thereof | Takemori Takayama | 2011-12-27 |
| 7691213 | Case hardened gear and method of producing the same | Takemori Takayama, Masanari Furumoto, Noriko Morioka | 2010-04-06 |
| 7422643 | Rolling element and method of producing the same | Takemori Takayama, Masanari Furumoto, Noriko Morioka | 2008-09-09 |
| 6899774 | High-toughness wear-resistant steel | Takemori Takayama | 2005-05-31 |
| 6309475 | Rolling element and producing method | Takemori Takayama | 2001-10-30 |
| 5911780 | Gear shot peening method | Naoji Hamasaka, Takashi Kuse | 1999-06-15 |
| 5505211 | Biopsy needles | Masao Ohto, Takefumi Daido, Tetsuo Sekine, Masaru Maruyama | 1996-04-09 |