Kaoru Matsumoto
37Patents
11h-index
17Co-inventors
72Inventor score
Filing activity: Aug 9, 1985 → Mar 9, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD294605S | Reconfigurable toy helicopter | General | 45 | Expired |
| US5925948A | Axial flow fan motor | Electricity | 34 | Expired |
| US6171381A | Aqueous metallic ink composition | Chemistry; Metallurgy | 30 | Expired |
| US6713907B2 | Blower for use in office automation equipment | Electricity | 27 | Expired |
| US6278207A | Blower | Electricity | 26 | Expired |
| US6394767B1 | Blower and a manufacturing method of the same | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| USD297039S | Robotic-humanoid toy assembly | General | 21 | Expired |
| US6196802A | Axial flow fan | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| USD297034S | Reconfigurable toy ladder truck | General | 17 | Expired |
| USD297037S | Reconfigurable toy vehicle | General | 14 | Expired |
| USD294610S | Reconfigurable toy vehicle | General | 14 | Expired |
| US6730154B2 | Polychromic ink composition depending on viewing angle | Chemistry; Metallurgy | 11 | Expired |
| US6368081B1 | Blower | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| USD295060S | Assembled humanoid robot toy | General | 11 | Expired |
| USD294157S | Assembled humanoid robot toy | General | 11 | Expired |
| USD295301S | Reconfigurable toy vehicle | General | 11 | Expired |
| USD296915S | Reconfigurable toy ambulance | General | 10 | Expired |
| USD293805S | Reconfigurable toy jet-plane | General | 10 | Expired |
| US6427763B2 | Air rectification blades | Electricity | 10 | Expired |
| USD294048S | Reconfigurable toy jet-plane | General | 8 | Expired |
| USD294047S | Reconfigurable toy jet-plane | General | 8 | Expired |
| USD296914S | Reconfigurable toy vehicle | General | 8 | Expired |
| USD295303S | Reconfigurable toy vehicle | General | 7 | Expired |
| USD296801S | Reconfigurable toy autobike | General | 7 | Expired |
| US6308772A | Heat sink | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.