Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10561914 | Baseball or softball bat with modified restitution characteristics | Michiharu Tsukamoto, Yohei Yamashita, Kazuhiko Shindome, Kohei Kikuchi | 2020-02-18 |
| 10195504 | Baseball or softball bat with modified restitution characteristics | Michiharu Tsukamoto, Yohei Yamashita, Kazuhiko Shindome | 2019-02-05 |
| 8814733 | Baseball or softball bat with modified restitution characteristics | Michiharu Tsukamoto, Yohei Yamashita, Kazuhiko Shindome | 2014-08-26 |
| 8602924 | Baseball or softball bat | Kazuhiko Shindome, Yutaka Yamaguchi | 2013-12-10 |
| 8123759 | Introducer sheath stabilizer | Christopher J. Elliott, Marcia Busier, Ashley Seehusen | 2012-02-28 |
| 7585235 | Baseball or softball bat | Kazunori Misono, Yutaka Yamaguchi | 2009-09-08 |
| 7367980 | Introducer sheath stabilizer | Christopher J. Elliott, Marcia Busier, Ashley Seehusen | 2008-05-06 |
| 6872156 | Baseball or softball bat, bat base member and elastic sleeve | Masao Ogawa, Kazuya Ishida | 2005-03-29 |
| 6425836 | Baseball or softball bat | Kazunori Misono, Masaaki Okuyama, Kazuya Ishida | 2002-07-30 |