Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425182 | Method of making roller cage for roller bearing | Masahide Matsubara, Kunio Fukuda, Hiroyuki Sawai, Toshiyuki Suzuki, Akiyoshi Yamaguchi | 2002-07-30 |
| 6186669 | Roller cage for roller bearing | Masahide Matsubara, Kunio Fukuda, Hiroyuki Sawai, Toshiyuki Suzuki, Akiyoshi Yamaguchi | 2001-02-13 |
| 5626426 | Self-aligning roller bearing with retainer | Masahide Matsubara, Eiichi Kawamura, Fukuji Kikkawa, Kunio Fukuda, Teruo Nagao | 1997-05-06 |
| 5538348 | Self-aligning roller bearing with cage | Kunio Fukuda, Masahide Matsubara, Eiichi Kawamura, Fukuji Kikkawa | 1996-07-23 |
| 5234274 | Self-aligning roller bearing with retainer | Eiichi Kawamura | 1993-08-10 |