Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D831719 | Speed reducer | Kazuhiro Kimura, Tomoki Tanaka, Keiichi Oda, Kazuhisa Abe, Shingo Ohuchi +1 more | 2018-10-23 |
| 7599824 | Gear cutting simulation method, gear cutting simulation program, and gear cutting simulation device | Akira Yamamoto | 2009-10-06 |
| 7237976 | Key-engaging part structure | Masahiro Shimada, Akira Yamamoto | 2007-07-03 |