Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416339 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2025-09-16 |
| 12398767 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2025-08-26 |
| 12098754 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2024-09-24 |
| 12092166 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2024-09-17 |
| 11885382 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2024-01-30 |
| 11852205 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2023-12-26 |
| 11835097 | Power transmission apparatus | Masayuki Nonaka, Yoshihiko Ozawa, Han Hiong Chen | 2023-12-05 |
| 11773921 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2023-10-03 |
| 11773923 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2023-10-03 |
| 11754130 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2023-09-12 |
| 11703093 | Power transmission apparatus | Yoshihiko Ozawa, Han Hiong Chen | 2023-07-18 |
| 11661981 | Power transmission device | Yoshihiko Ozawa, Han Hiong Chen | 2023-05-30 |
| 11434966 | Power transmission device | Yoshihiko Ozawa, Han Hiong Chen | 2022-09-06 |
| 11359678 | Power transmission device | Junichi Nishikawa, Han Hiong Chen, Yoshihiko Ozawa | 2022-06-14 |
| 11231074 | Clutch device | Kenichiro Isobe, Kenichiro Takahashi | 2022-01-25 |
| 11149799 | Power transmission device | Junichi Nishikawa, Han Hiong Chen, Yoshihiko Ozawa | 2021-10-19 |
| 10047803 | Power transmitting apparatus | Han Hiong Chen, Kaoru Aono, Masataka Murai | 2018-08-14 |
| 9353803 | Power transmitting apparatus | Han Hiong Chen, Akira Kosaka | 2016-05-31 |
| 8640843 | Hydraulic clutch device | Atsushi Ogasawara, Junya Watanabe, Masahiko Tsuchiya, Akio Ooishi, Makoto Kataoka | 2014-02-04 |
| 8336695 | Power transmitting apparatus | Makoto Kataoka, Shunichi Itou | 2012-12-25 |
| 8151964 | Multiple disc clutch apparatus | Masayoshi Suzuta, Hideo Senmyo, Yoshiki Nagahashi, Masaki Yoneyama, Shinya Wakabayashi +5 more | 2012-04-10 |
| 7083031 | Power transmitting apparatus with input and output member rotatably arranged within a case | Yoshimi Sakurai, Naoyuki Miwa, Akio Ooishi | 2006-08-01 |