Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570961 | Retainer for bearing and bearing | Tsuyoshi Koda | 2020-02-25 |
| 10465140 | Grease composition | Masaharu Inoue, Kazuhiro Watanabe, Takayuki Kawamura, Hiroyuki Amari, Minoru Hasegawa +1 more | 2019-11-05 |
| 10295027 | Power transmission roller assembly | — | 2019-05-21 |
| 10088031 | Pressed pulley | Tsuyoshi Koda | 2018-10-02 |
| 9353795 | Rolling bearing | Tomohisa Uozumi | 2016-05-31 |
| 7775921 | Chain tensioner | Seiji Sato, Hisashi Hayakawa | 2010-08-17 |
| 7527572 | Chain tensioner | Seiji Sato, Satoshi Kitano, Hisashi Hayakawa | 2009-05-05 |
| 7037229 | Hydraulic tensioner | Hisashi Hayakawa, Satoshi Kitano, Kazuo Komori | 2006-05-02 |
| 5607368 | Autotensioner | Yoshikazu Hida, Hisashi Hayakawa | 1997-03-04 |
| 5586952 | Hydraulic autotensioner | Kazuki Kawashima | 1996-12-24 |
| 5334109 | Belt tension adjusting device | Kazuki Kawashima | 1994-08-02 |
| 5234385 | Belt tension adjusting device | Kazuki Kawashima, Isao Hori | 1993-08-10 |