Komatsu Zenoah Co.
88Patents
0Active
88Granted
39Portfolio score
Filing activity: Jul 24, 1980 → Jul 14, 2006
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5129125A | Cleaning machine | Fixed Constructions | 195 | Expired |
| US6289856A | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 53 | Expired |
| US6216650A | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| USD299571S | Portable blower | General | 38 | Expired |
| USD416265S | Engine | General | 37 | Expired |
| US6112708A | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| USD521447S1 | Battery for a mowing machine | General | 30 | Expired |
| US5027591A | Mowing apparatus | Human Necessities | 29 | Expired |
| US5433006A | Mowing apparatus | Human Necessities | 28 | Expired |
| US6298811A | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4658778A | Piggyback type blower unit | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4349962A | Cutting down machine | Human Necessities | 25 | Expired |
| US6240886A | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4759128A | Transmission device | Human Necessities | 24 | Expired |
| US5317997A | Air inlet system of an engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5455509A | Device for mounting position detecting sensor | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6085703A | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4987732A | Mowing apparatus having oppositely reciprocating cutters | Human Necessities | 21 | Expired |
| USD271715S | Portable blower | General | 20 | Expired |
| USD274620S | Housing for a portable internal combustion engine | General | 20 | Expired |
| US4817230A | Dust collector | Human Necessities | 19 | Expired |
| US4663799A | Dust collector | Human Necessities | 19 | Expired |
| USD303207S | Chain saw | General | 19 | Expired |
| USD549537S1 | Chain saw | General | 18 | Expired |
| US6497204B1 | Stratified scavenging two-stroke cycle engine | Mechanical Engineering; Lighting; Heating | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.