Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331754 | Axial fan motor | Toshikazu Koshiba, Tomoyuki Suzuki, Yuji Omura, Hiroyuki Kato | 2025-06-17 |
| 8740738 | High load transmission V-belt | Hiroyuki Sakanaka | 2014-06-03 |
| 8449418 | High-load drive V-belt | Hiroyuki Sakanaka, Masahiro Inukai | 2013-05-28 |
| 7780556 | Belt drive system | Hiroyuki Sakanaka | 2010-08-24 |
| 7016818 | Method of evaluating the power transmission ability of frictional power transmission belt and method of aiding the designing for belt drive system | Ryuichi Kido | 2006-03-21 |
| 6293886 | Heavy-duty power transmission V-belt | Hirokazu Ohkawa | 2001-09-25 |
| 6283882 | Heavy-duty power transmission V-belt | Keizo Nonaka, Hiroyuki Sakanaka | 2001-09-04 |
| 5776023 | Heavy-duty power transmission v-belt | Hirokazu Okawa, Hidetake Iwasaki, Hidekazu Maruyama, Hiroyuki Sakanaka, Sakae Umeda | 1998-07-07 |
| 5254045 | Flat belt driving device | Katsuya Yamaguchi, Yoshihisa Nakano, Hiroshi Matsuoka, Arao Umeda, Shinya Yuki +1 more | 1993-10-19 |
| 5181888 | Belt driving system | Hirofumi Miyata, Shinya Yuki, Keizo Nonaka, Yoshihisa Nakano, Hiroshi Mitsuhashi +2 more | 1993-01-26 |