Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781596 | Bearing component and method for manufacturing the same | Miyu SATO, Chikara Ohki | 2023-10-10 |
| 10718377 | Method for producing bearing ring, double row tapered roller bearing, and method for producing double row tapered roller bearing | Michio Hori, Hideto Torisawa, Chikara Ohki, Kazuhiro Yagita | 2020-07-21 |
| 10378076 | Double row tapered roller bearing, bearing ring, and method for producing double row tapered roller bearing | Michio Hori, Hideto Torisawa, Chikara Ohki, Kazuhiro Yagita | 2019-08-13 |
| 9487843 | Method for producing a bearing ring | Chikara Ohki, Kazuhiro Yagita | 2016-11-08 |
| 6649549 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-18 |
| 6645891 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6645890 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6645889 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6645892 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6645888 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-11 |
| 6642161 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-04 |
| 6642162 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-11-04 |
| 6635591 | Glass composition for crystallized glass | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Kazuhiko Ishimaru | 2003-10-21 |
| 6627567 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-09-30 |
| 6624101 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-09-23 |
| 6610620 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-08-26 |
| 6596659 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-07-22 |
| 6593259 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-07-15 |
| 6593257 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Hideki Kawai, Toshiharu Mori, Kazuhiko Ishimaru | 2003-07-15 |
| 6583078 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-06-24 |
| 6583077 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-06-24 |
| 6573206 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-06-03 |
| 6569791 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-05-27 |
| 6569790 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2003-05-27 |
| 6524982 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Hideki Kawai, Toshiharu Mori, Kazuhiko Ishimaru | 2003-02-25 |