Kabushiki Kaisha Komatsu Shisakusho
1,010Patents
0Active
1,010Granted
47Portfolio score
Filing activity: Jul 10, 1973 → Oct 17, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4653316A | Apparatus mounted on vehicles for detecting road surface conditions | Physics | 325 | Expired |
| US4709594A | Planetary gear type transmission system | Mechanical Engineering; Lighting; Heating | 217 | Expired |
| US5659420A | Confocal optical apparatus | Physics | 214 | Expired |
| US4794634A | Position-sensitive photodetector and light transmissive tablet and light-emitting pen | Electricity | 120 | Expired |
| US5174168A | Flexible robot arm | Emerging Cross-Sectional Technologies | 114 | Expired |
| US5142543A | Method and system for controlling narrow-band oscillation excimer laser | Electricity | 101 | Expired |
| US5373515A | Laser wavelength controlling apparatus | Electricity | 90 | Expired |
| US5450436A | Laser gas replenishing apparatus and method in excimer laser system | Electricity | 89 | Expired |
| US5728991A | Plasma arc welding apparatus and welding method using the same | Performing Operations; Transporting | 89 | Expired |
| US4453421A | Load monitoring system for a press | Physics | 85 | Expired |
| US5404366A | Narrow band excimer laser and wavelength detecting apparatus | Electricity | 80 | Expired |
| US5018922A | Master/slave type manipulator | Performing Operations; Transporting | 78 | Expired |
| US4975919A | Laser wavelength control apparatus | Electricity | 78 | Expired |
| US4829536A | Multi-mode narrow-band oscillation excimer laser | Electricity | 77 | Expired |
| US5555171A | Data collection system for driving machine | Performing Operations; Transporting | 76 | Expired |
| US5240350A | Apparatus for detecting position of underground excavator and magnetic field producing cable | Physics | 73 | Expired |
| US5535233A | Laser device | Electricity | 72 | Expired |
| US5642374A | Excimer laser device | Electricity | 71 | Expired |
| US5557629A | Laser device having an electrode with auxiliary conductor members | Electricity | 71 | Expired |
| US5337846A | Disaster relief robot and operation controller therefor | Performing Operations; Transporting | 69 | Expired |
| US4893981A | Master/slave type manipulator | Performing Operations; Transporting | 67 | Expired |
| US5081635A | Apparatus for controlling output from an excimer laser device | Electricity | 65 | Expired |
| US4442493A | Cutting tool retreat and return for workpiece protection upon abnormality occurrence in a preprogrammed machine tool | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4856018A | Light source for reduced projection | Electricity | 63 | Expired |
| US4273196A | Automatic control system for maintaining blade in predetermined relationship to laser beam | Emerging Cross-Sectional Technologies | 62 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.