Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869222 | Rolling bearing | Shigeru Okita, Toyohisa Yamamoto, Susumu Tanaka, Hiroyuki Ito, Akira Uchida +1 more | 2005-03-22 |
| 6478894 | Rolling bearing | Nobuaki Mitamura, Yasuo Murakami | 2002-11-12 |
| 6357924 | Rolling bearing | Hiromichi Takemura, Yasuo Murakami | 2002-03-19 |
| 6342109 | Rolling bearing | Hiromichi Takemura, Shigeru Okita, Yasuo Murakami | 2002-01-29 |
| 6171414 | Rolling bearing | Nobuaki Mitamura, Takaaki Koike, Yukio Takahashi, Mikio Yamaguchi | 2001-01-09 |
| 6152605 | Ball bearing | Hiromichi Takemura, Nobuaki Mitamura, Yasuo Murakami, Hiroshi Suzuki, Yoshitaka Hayashi | 2000-11-28 |
| 5997661 | Rolling bearing | Yoichi Matsumoto, Takashi Nagato | 1999-12-07 |
| 5989694 | Rolling bearing | Nobuaki Mitamura, Yasuo Murakami | 1999-11-23 |
| 5427457 | Rolling bearing | Kyozaburo Furumura, Yasuo Murakami, Nobuaki Mitamura, Shinichi Shirota, Shigeru Okita | 1995-06-27 |
| 5413643 | Rolling bearing | Yasuo Murakami, Nobuaki Mitamura | 1995-05-09 |