Kato Hatsujo Kaisha, Ltd.
52Patents
0Active
52Granted
37Portfolio score
Filing activity: Jul 10, 1979 → Jul 27, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5178609A | Medical liquid injector for continuous transfusion | Emerging Cross-Sectional Technologies | 158 | Expired |
| US4834573A | Cap fitting structure for shaft member | Emerging Cross-Sectional Technologies | 124 | Expired |
| US5147319A | Winged needle | Human Necessities | 90 | Expired |
| US4865505A | Structure for mounting automobile interior upholstering material | Emerging Cross-Sectional Technologies | 89 | Expired |
| US5601261A | Band clip | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4807622A | Tube cutting and separating implement for conduit of blood or the like | Human Necessities | 55 | Expired |
| US4473217A | Fiber-reinforced resin coil spring and method of manufacturing the same | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5210906A | Releasable double-hinge device for an automobile console box | Fixed Constructions | 48 | Expired |
| US5028187A | Security fastener including integral plug body and socket body | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US5277282A | Rotary oil damper | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5172714A | Fuel check valve assembly for fuel tank | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4927306A | Screw grommet | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4250599A | Connector | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4572466A | Harness clip | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4987656A | Plaque holding clip | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4523605A | Freeze preventing valve | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5357652A | Lid opening/closing apparatus | Fixed Constructions | 29 | Expired |
| US4373826A | Fastener assembly | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4882814A | Hose clamp furnished with tacking function | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4497241A | Device for automatically adjusting angle of louver | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4522219A | Freeze preventing valve | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4996749A | Hose clamp | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5277217A | Fuel interrupt/pressure release valve arrangement for fuel tank | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5144720A | Releasable double-hinge device for an automobile console box | Fixed Constructions | 22 | Expired |
| US5263346A | Locking device for lid | Emerging Cross-Sectional Technologies | 22 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.