Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8128291 | Needle roller bearing and bearing structure | Akihiko Katayama, Yugo Yoshimura, Noriaki Fujii, Tomoya Fujimoto | 2012-03-06 |
| 7896556 | Needle roller bearing | Yoshiyasu Nakano, Katsufumi Abe, Akihiko Katayama, Yugo Yoshimura, Noriaki Fujii +1 more | 2011-03-01 |
| 7896557 | Needle roller bearing | Yoshiyasu Nakano, Katsufumi Abe, Yugo Yoshimura, Noriaki Fujii, Keiko Yoshida | 2011-03-01 |
| 7860065 | Packet communicating apparatus | Tsuneaki Koga, Tatsuhiko Takata, Yuichiro Oishi | 2010-12-28 |
| 7637670 | Thrust roller bearing | — | 2009-12-29 |
| 7611289 | Rollers with retainer | — | 2009-11-03 |
| 7513043 | Support structure carrying thrust load of transmission, method of manufacturing thereof and thrust needle roller bearing | Kousuke Obayashi, Tetsuya Hayashi | 2009-04-07 |
| 7398724 | Support structure carrying thrust load of compressor and thrust needle roller bearing | Kousuke Obayashi, Tetsuya Hayashi | 2008-07-15 |
| 7273318 | Thrust needle roller bearing and method for manufacture thereof | Tetsuya Hayashi, Kousuke Obayashi | 2007-09-25 |
| 7114854 | Thrust roller bearing and cage | Tetsuya Hayashi, Kousuke Obayashi | 2006-10-03 |
| 7033083 | Support structure carrying thrust load of transmission, method of manufacturing thereof and thrust needle roller bearing | Kousuke Obayashi, Tetsuya Hayashi | 2006-04-25 |
| 5019338 | Alloy for building JP valve | Masahiro Nakagawa, Mototsugu Koyama, Kanichi Tanaka, Syozo Nagai, Kensuke Hidaka | 1991-05-28 |
| 4948559 | Alloy for building up valve | Masahiro Nakagawa, Mototsugu Koyama, Kanichi Tanaka, Syozo Nagai, Kensuke Hidaka | 1990-08-14 |