Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437334 | Edger | Shigeharu Ohama, Michio Nishimura | 1995-08-01 |
| 5199502 | Edger with improved rotary blade driving device | Shigeharu Ohama, Michio Nishimura | 1993-04-06 |
| D332239 | Utility vehicle | Fumio Mizuta, Teruyasu Tamashima | 1993-01-05 |
| 5165485 | Edger with improved blade cover assembly | Tetsuzo Fujikawa, Shigeharu Ohama, Michio Nishimura | 1992-11-24 |
| 5156217 | Edger with improved rear wheel adjustment | Shigeharu Ohama | 1992-10-20 |
| 5139091 | Edger with improved operating lever assembly | Tetsuzo Fujikawa, Shigeharu Ohama, Michio Nishimura | 1992-08-18 |
| 5119879 | Edger with tubular main frame | Tetsuzo Fujikawa, 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 |
| 4949807 | Engine exhaust muffler apparatus | Shinichi Tamba, Akio Miguchi | 1990-08-21 |
| 4889089 | Work vehicle | Tetsuzo Fujikawa, Shinichi Tamba | 1989-12-26 |
| 4762094 | Valve gear for four-cycle engine | Tetsuzo Fujikawa, Shinichi Tamba, Yoshiro Yamane | 1988-08-09 |
| 4748945 | Valve gear for use in a four-cycle engine | Tetsuzo Fujikawa, Shinichi Tamba | 1988-06-07 |
| 4722306 | Valve gear for four-cycle engine | Tetsuzo Fujikawa, Shinichi Tamba, Noriyuki Ueki | 1988-02-02 |
| 4697555 | Valve gear for four-cycle engine | Tetsuzo Fujikawa, Shinichi Tamba, Noboru Fukui | 1987-10-06 |
| 4683847 | Valve system for overhead valve type four-cycle engine | Tetsuzo Fujikawa, Shinichi Tamba | 1987-08-04 |
| 4682573 | Valve gear for use in a four cycle engine | Tetsuzo Fujikawa, Shinichi Tamba | 1987-07-28 |
| 4658767 | Vertical shaft V-type engine | Tetsuzo Fujikawa, Shinichi Tamba | 1987-04-21 |
| 4628876 | Engine balancing system | Tetsuzo Fujikawa, Shinichi Tamba, Akio Miguchi | 1986-12-16 |
| 4490309 | Integrated fuel control system for gasoline engine | Tetsuzo Fujikawa, Shinichi Tamba | 1984-12-25 |
| 4449608 | Exhaust device for 2-cycle engine | Yoshiteru Ueda | 1984-05-22 |
| 4337733 | Cooling liquid temperature control system for internal combustion engine | Shinji Abe | 1982-07-06 |