Haruo Watanabe
118Patents
19h-index
195Co-inventors
89Inventor score
Filing activity: Jun 24, 1975 → Jul 21, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4113416A | Rotary burner | Mechanical Engineering; Lighting; Heating | 94 | Expired |
| US4643526A | Liquid crystal display device having a resin-coated IC chip | Physics | 58 | Expired |
| US6064580A | Switching power supply | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4584003A | Apparatus for treating dust-containing gas | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US4529362A | Servo pump for hydraulic systems | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5002333A | Under frame of a motor vehicle | Performing Operations; Transporting | 36 | Expired |
| US4160491A | Perlite sound absorbing plate and sound insulating wall composed of the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4465662A | Oral compositions of tranexamic acid and carvone | Human Necessities | 30 | Expired |
| US4246566A | Malfunction diagnosing apparatus for electronic control system for vehicles | Performing Operations; Transporting | 29 | Expired |
| US4960849A | Polyurethane from a copolyether of tetrahydrofuran and 3-alkyl tetrahydrofuran | Chemistry; Metallurgy | 28 | Expired |
| US6020989A | Laminated bodies and windows using them | Performing Operations; Transporting | 28 | Expired |
| US4280962A | Methods for refining oils and fats | Chemistry; Metallurgy | 25 | Expired |
| US4887769A | Electromagnetic fuel injection valve | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4690511A | Liquid crystal color display panel with mosaic color filter | Physics | 24 | Expired |
| US5108037A | Fuel injection valve | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4647532A | Method for determination of hydrogen peroxide by chemiluminescence analysis | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5615098A | AC-DC converter | Electricity | 22 | Expired |
| US5265701A | Elevator with means for controlling upward and downward movement of cage | Performing Operations; Transporting | 20 | Expired |
| US5615040A | Self-responding laminated bodies, their production process and windows using the same | Physics | 19 | Expired |
| US6169121A | Method and apparatus for recycling styrene resin | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4414942A | Idling speed control device of an internal combustion engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6274681A | Method of manufacturing polyelectrolyte from styrene polymers | Chemistry; Metallurgy | 16 | Expired |
| US5098016A | Electromagnetic fuel injection valve | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4542084A | Method for forming a colored image | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6380710B1 | Photovoltaic-charged secondary battery device | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.