Yoshiaki Ito
124Patents
19h-index
187Co-inventors
89Inventor score
Filing activity: Oct 10, 1975 → Dec 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6550953B1 | Light emitting diode lamp device | Electricity | 132 | Expired |
| US5817172A | Preparation of oxide crystals | Chemistry; Metallurgy | 95 | Expired |
| US7368255B2 | RUNX3 gene showing anti-tumor activity and use thereof | Human Necessities | 77 | Expired |
| US6617933B2 | VCO circuit with wide output frequency range and PLL circuit with the VCO circuit | Electricity | 74 | Expired |
| US4350788A | Synthetic resin emulsion and its uses | Chemistry; Metallurgy | 56 | Expired |
| US9363454B2 | Solid-state imaging unit and electronic apparatus with a signal charge accumulated in a photoelectric conversion section is divided to be read in predetermined times of intermediate transfer operations and a complete transfer operation | Electricity | 54 | Active |
| US4777626A | Memory device having backup power supply | Physics | 51 | Expired |
| US6521806B1 | Process for producing 1-hexene | Chemistry; Metallurgy | 40 | Expired |
| US4910628A | Terminal unit in information transmission system | Electricity | 38 | Expired |
| US8529439B2 | Endoscopic system | Human Necessities | 37 | Active |
| US5472689A | Hair cosmetic composition containing a poly(N-acylalkyleneimine)-organopolysiloxane block or graft copolymer | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4701368A | Papermaker's pressure belt for extended nip presses | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6237809A | Container for high purity liquid chemicals | Performing Operations; Transporting | 30 | Expired |
| US6499852B1 | Vehicle display lighting device | Performing Operations; Transporting | 29 | Expired |
| US5731487A | Process for producing olefin having a terminal double bond | Chemistry; Metallurgy | 23 | Expired |
| US5908607A | Process for producing chlorine | Performing Operations; Transporting | 21 | Expired |
| US4982342A | Image processor system having multifunction look-up table units | Physics | 21 | Expired |
| US8723173B2 | Semiconductor device, power circuit, and manufacturing method of semiconductor device | Electricity | 19 | Active |
| US4928195A | Improved floating magnetic head for high density recording | Physics | 19 | Expired |
| US5832723A | Engine exhaust pipe | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6806667B1 | Control unit and control method for controlling vibration of an electric vehicle | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5395563A | Manufacturing method and apparatus for forming an elongate body having thickness change | Performing Operations; Transporting | 11 | Expired |
| US7121975B2 | Torque transmission device and method of reducing effects of torque pulsations | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8692243B2 | Semiconductor device and method for manufacturing the same | Electricity | 11 | Active |
| US8685249B2 | Multi-stage seawater desalination apparatus and operation control method of multi-stage seawater desalination apparatus | Emerging Cross-Sectional Technologies | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.