Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8464683 | Engine balancer system | Hisayuki Hashimoto, Haruo Watanabe, Kazuhito Okazaki | 2013-06-18 |
| 7992534 | Engine balancer system | Hisayuki Hashimoto, Haruo Watanabe, Kazuhito Okazaki | 2011-08-09 |
| 7841313 | Engine balancer system | Hisayuki Hashimoto, Haruo Watanabe, Kazuhito Okazaki | 2010-11-30 |
| 7478618 | Engine balancer system | Hisayuki Hashimoto, Haruo Watanabe, Kazuhito Okazaki | 2009-01-20 |
| 7418938 | Engine balancer system | Hisayuki Hashimoto, Haruo Watanabe, Kazuhito Okazaki | 2008-09-02 |
| 7270104 | Engine balancer system | Hisayuki Hashimoto, Haruo Watanabe, Kazuhito Okazaki | 2007-09-18 |
| 7047927 | Engine balancer system | Hisayuki Hashimoto, Haruo Watanabe, Kazuhito Okazaki | 2006-05-23 |
| 6443136 | Breather apparatus for an internal combustion engine | Yukio Konishi, Masahiro Takehana | 2002-09-03 |