Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190576 | Roller bearing, retainer segment, spacer and main shaft support structure of wind-power generator | Tatsuya Omoto, Shoichi Hioki, Eiichi Nakamizo, Tomoya Sakaguchi | 2019-01-29 |
| 9732734 | Roller bearing, retainer segment, spacer and main shaft support structure of wind-power generator | Tatsuya Omoto, Shoichi Hioki, Eiichi Nakamizo, Tomoya Sakaguchi | 2017-08-15 |
| 8905646 | Roller bearing, retainer segment, spacer and main shaft support structure wind-power generator | Tatsuya Omoto, Shoichi Hioki, Eiichi Nakamizo, Tomoya Sakaguchi | 2014-12-09 |
| 8419281 | Bearing member and method for manufacturing the same, and bearing unit having bearing member and method for manufacturing the same | Kenji Hibi, Yasuhiro Yamamoto, Tetsuya Yamamoto | 2013-04-16 |
| 7918649 | Double-row self-aligning roller bearing and device for supporting wind turbine generator main shaft | Naoki Nakagawa, Masaharu Hori, Takeshi Maeda, Souichi Yagi, Nobuyuki Mori | 2011-04-05 |
| 7867345 | Manufacturing method of thin component, bearing ring, thrust needle roller bearing, manufacturing method of rolling bearing ring, rolling bearing ring, and rolling bearing | Kikuo Maeda, Yuuki Kataoka | 2011-01-11 |
| 7707723 | Method of producing a roller thrust bearing having a plurality of rows of rollers | Kenji Tamada, Kikuo Maeda, Tomoaki Kawamura, Hirokazu Nakashima, Takumi Fujita | 2010-05-04 |
| 7525430 | Machine components having IC tags, quality control method and abnormality detecting system | Shohei Nakamura, Shouichi Hioki, Hiroyoshi Ito, Tooru Mayumi | 2009-04-28 |
| 7273319 | Roller thrust bearing | Kenji Tamada, Kikuo Maeda, Tomoaki Kawamura, Hirokazu Nakashima, Takumi Fujita | 2007-09-25 |
| 6843605 | Roller thrust bearing | Kenji Tamada, Kikuo Maeda, Tomoaki Kawamura, Hirokazu Nakashima, Takumi Fujita | 2005-01-18 |