Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165485 | Edger with improved blade cover assembly | Makizo Hirata, Shigeharu Ohama, Michio Nishimura | 1992-11-24 |
| 5139091 | Edger with improved operating lever assembly | Makizo Hirata, Shigeharu Ohama, Michio Nishimura | 1992-08-18 |
| 5119879 | Edger with tubular main frame | Makizo Hirata, Shigeharu Ohama | 1992-06-09 |
| 4984417 | Edger with belt braking device | Stephen A. Braun, Michael J. O'Neill, Roger W. Curry, James R. Titze, Donald Emil Niosi +2 more | 1991-01-15 |
| 4962631 | Edger | Stephen A. Braun, Michael J. O'Neill, Roger W. Curry, James R. Titze, Donald Emil Niosi +2 more | 1990-10-16 |
| 4935689 | Vehicle mounted engine generator system | Yoichi Yamaguchi, Masao Shirakawa | 1990-06-19 |
| 4932244 | Display device for an engine-equipped machine | Yoichi Yamaguchi, Akira Takahashi | 1990-06-12 |
| 4917201 | Motor vehicle | Shinichi Tamba | 1990-04-17 |
| 4889089 | Work vehicle | Makizo Hirata, Shinichi Tamba | 1989-12-26 |
| 4862981 | Internal combustion engine and devices employing same | Keisuke Tomonaga, Shinichi Tamba, Hitomi Miyake | 1989-09-05 |
| 4798082 | Control-display device for an engine-equiped apparatus | Yoichi Yamaguchi, Akira Takahashi | 1989-01-17 |
| 4762094 | Valve gear for four-cycle engine | Makizo Hirata, Shinichi Tamba, Yoshiro Yamane | 1988-08-09 |
| 4748945 | Valve gear for use in a four-cycle engine | Makizo Hirata, Shinichi Tamba | 1988-06-07 |
| 4736717 | Valve gear for four-cycle engine | Toshiyuki Takada, Shinichi Tamba | 1988-04-12 |
| 4722306 | Valve gear for four-cycle engine | Makizo Hirata, Shinichi Tamba, Noriyuki Ueki | 1988-02-02 |
| 4716861 | 4-Cycle engine | Shinichi Tamba, Noriyuki Ueki | 1988-01-05 |
| 4697555 | Valve gear for four-cycle engine | Makizo Hirata, Shinichi Tamba, Noboru Fukui | 1987-10-06 |
| 4683847 | Valve system for overhead valve type four-cycle engine | Makizo Hirata, Shinichi Tamba | 1987-08-04 |
| 4682573 | Valve gear for use in a four cycle engine | Makizo Hirata, Shinichi Tamba | 1987-07-28 |
| 4658767 | Vertical shaft V-type engine | Makizo Hirata, Shinichi Tamba | 1987-04-21 |
| 4647835 | Portable generator | Yooichi Yamaguchi, Yoshiteru Ueda | 1987-03-03 |
| 4628876 | Engine balancing system | Makizo Hirata, Shinichi Tamba, Akio Miguchi | 1986-12-16 |
| 4590891 | Engine cooling system in field machinery | Tamba Shinichi | 1986-05-27 |
| 4589379 | Cooling apparatus for water-cooled engines | Shinichi Tamba | 1986-05-20 |
| 4538568 | Two-stroke cycle multispark ignition type gasoline engine | Shinji Abe | 1985-09-03 |