Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9308942 | Cowl cover device | — | 2016-04-12 |
| 8701621 | Four-cycle engine, bush cutter and engine-driven tool having same | Takeshi Takeda, Takamoto Horiuchi, Hiroshi OHIRA, Takahiro Hirai | 2014-04-22 |
| 8627809 | Engine lubrication method | Shigeo Yamamoto | 2014-01-14 |
| 8490596 | Vertical and horizontal engine | — | 2013-07-23 |
| 8490597 | Vertical and horizontal engine | — | 2013-07-23 |
| 8281758 | Engine lubrication method | Shigeo Yamamoto, Bin Guo | 2012-10-09 |
| 7624714 | Engine lubrication method | Bin Guo, Shigeo Yamamoto | 2009-12-01 |
| 7287508 | Engine lubrication method | — | 2007-10-30 |
| 6863043 | Multi-position, operator-carried, four-cycle engine | Shiro Kawamoto, James M. Grayson | 2005-03-08 |
| 6666184 | Multi-position, operator-carried, four-cycle engine | Shiro Kawamoto, James M. Grayson | 2003-12-23 |
| 6622688 | Operator carried power tool having a four-cycle engine and an engine lubrication method | Robert G. Everts | 2003-09-23 |
| 6363904 | Multi-position, operator-carried, four-cycle engine | Shiro Kawamoto, James M. Grayson | 2002-04-02 |
| 6227160 | Operator carried power tool having a four-cycle engine and engine lubrication method | Robert G. Everts | 2001-05-08 |
| 6047678 | Multi-position operator-carried four-cycle engine | Shiro Kawamoto, James M. Grayson | 2000-04-11 |
| 5950590 | Operator carried power tool having a four-cycle engine and an engine lubrication method | Robert G. Everts | 1999-09-14 |
| 5701855 | Cartridge fuel internal combustion engine | Shiro Kawamoto, John E. Nemazi, William G. Conger | 1997-12-30 |
| 5596964 | Intake and exhaust valves and intake port of internal combustion engine | — | 1997-01-28 |
| 5588408 | Engine unit | — | 1996-12-31 |
| 5520343 | Empty vessel treatment vehicles | Osamu Aika, Chikashi Okumura, Noboru Nishikouri, Hajime Yonemura, Kuniyoshi Hidao +1 more | 1996-05-28 |
| 5405128 | Sheet feed device for an image forming apparatus | Hiroshi Fujiwara, Kunio Hibi, Hiroshi Tanabe, Masanori Matsuda, Takahiro Shinga +1 more | 1995-04-11 |
| 5322269 | Apparatus for feeding sheets separately using an electrostatic separator and separating member | Noriaki Fukube, Hiroshi Tanabe, Hiroyuki Inobe, Hiroshi Fujiwara | 1994-06-21 |
| 5316282 | Sheet feeding and separating device for image forming equipment | Noriaki Fukube, Satoshi Takano, Hiroshi Tanabe, Hiroshi Fujiwara, Kazunori Bannai +1 more | 1994-05-31 |
| 5219154 | Sheet feeding and separating device for image forming equipment | Noriaki Fukube, Satoshi Takano, Hiroshi Tanabe, Hiroshi Fujiwara, Kazunori Bannai +1 more | 1993-06-15 |
| 4246882 | Combustion chamber for side-valve type internal-combustion engine | Kojiro Kikuta, Shohei Suzuki, Teruaki Sasaki | 1981-01-27 |