Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5845719 | Vibrating cutting machine | Isao Matsumoto | 1998-12-08 |
| H1428 | Reciprocating cutter type trimmer | — | 1995-04-04 |
| 5373641 | Reciprocating cutter type trimmer | — | 1994-12-20 |
| 5271154 | Reciprocating saw blade unit | — | 1993-12-21 |
| 5155914 | Reciprocating saw-blade device | — | 1992-10-20 |
| 5079841 | Clipper-type bush cutter | Yoshiki Nakayama | 1992-01-14 |
| 5031395 | Reciprocating blade type trimmer | Takeshi Tanaka | 1991-07-16 |
| 4949826 | Spring clutch | — | 1990-08-21 |
| 4922868 | Starting system | — | 1990-05-08 |
| 4889215 | Anti-overload centrifugal clutch | — | 1989-12-26 |