Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10610941 | Dressing device and gear grinding device | Satoru Kambayashi, Go Hiroki | 2020-04-07 |
| 10307843 | Internal gear grinding method | Masashi Ochi, Yasuhiro Nakamichi | 2019-06-04 |
| 9969018 | Internal gear machining method and internal gear machining device | Masashi Ochi | 2018-05-15 |
| 9421654 | Clamping device having ring shape with hydraulically down force clamping means | Masashi Ochi | 2016-08-23 |
| 9278398 | Method for machining internally toothed gear and method for dressing tool used for same | Masashi Ochi | 2016-03-08 |
| 9212891 | Method of calibrating gear measuring device | Koichi Masuo, Naohiro Otsuki | 2015-12-15 |
| 9120167 | Method for manufacturing screw-shaped tool | Masashi Ochi | 2015-09-01 |
| 9079292 | Method of making barrel-shaped worm-like tool | Masashi Ochi | 2015-07-14 |
| 8998681 | Gear grinding method | Masashi Ochi, Yasuhiro Nakamichi | 2015-04-07 |
| 8979610 | Method for dressing threaded grinding stone for internal gear grinding | Masashi Ochi, Yasuhiro Nakamichi | 2015-03-17 |
| 8944890 | Internal gear grinding machine and dressing method for barrel-shaped threaded tool | Masashi Ochi | 2015-02-03 |
| 8944885 | Device for phasing threaded grinding wheel | Kazuyuki Ishizu, Tomohito Tani | 2015-02-03 |
| 8915768 | Method of phasing threaded grinding stone, as well as device therefor | Kazuyuki Ishizu, Tomohito Tani | 2014-12-23 |
| 8905819 | Internal gear machining method | Masashi Ochi | 2014-12-09 |
| 8882569 | Gear grinding machine | Masashi Ochi | 2014-11-11 |
| 8858297 | Gear grinding method | — | 2014-10-14 |
| 8851962 | Barrel-shaped threaded tool for machining internal gear | Masashi Ochi | 2014-10-07 |
| 8790156 | Tooth-profile management system for shaving-cutter grinding machine | Ryuzo Hayashi | 2014-07-29 |
| 8758093 | Internal gear grinding machine | Masashi Ochi | 2014-06-24 |
| 8460064 | Method of dressing barrel worm-shaped tool, dressing apparatus, and internal-gear grinding machine | Masashi Ochi, Hiroshi Gunbara | 2013-06-11 |
| 8382560 | Barrel worm-shaped tool | Masashi Ochi | 2013-02-26 |
| 7341501 | Gear grinding machine, method for dressing threaded grinding wheel and method for grinding work | Toshifumi Katsuma | 2008-03-11 |
| 7198543 | Gear grinding machine | Koichi Masuo | 2007-04-03 |
| 7083496 | Gear grinding machine | Toshifumi Katsuma | 2006-08-01 |