Masuo Ito
40Patents
7h-index
51Co-inventors
72Inventor score
Filing activity: Feb 12, 1988 → Aug 28, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5504386A | Photomultiplier tube having a metal-made sidewall | Electricity | 41 | Expired |
| US5563923A | X-ray tube | Electricity | 26 | Expired |
| US6472664B1 | Photomultiplier tube tightly arranged with substantially no space between adjacent tubes | Physics | 17 | Expired |
| US6381305B1 | X-ray tube having a hood electrode | Electricity | 15 | Expired |
| US4825066A | Photomultiplier with secondary electron shielding means | Electricity | 13 | Expired |
| US5841231A | Photomultiplier having lamination structure of fine mesh dynodes | Electricity | 11 | Expired |
| US4937506A | Photomultiplier tube using means of preventing divergence of electrons | Electricity | 10 | Expired |
| US6005239A | Image intensifier | Electricity | 7 | Expired |
| US6946792B2 | Photomultiplier | Electricity | 7 | Expired |
| US5736731A | Photomultiplier tube comprising a second dynode having a saturated secondary electron emission ratio | Electricity | 6 | Expired |
| US7064485B2 | Photomultiplier tube having focusing electrodes with apertures and screens | Electricity | 4 | Expired |
| US7602122B2 | Photomultiplier | Electricity | 4 | Expired |
| US6650049B1 | Photomultiplier tube | Physics | 4 | Expired |
| US5210403A | Radiation detecting device with a photocathode being inclined to a light incident surface | Electricity | 2 | Expired |
| US10915427B2 | Equivalence verification apparatus and computer readable medium | Physics | 2 | Active |
| US6762555B1 | Photomultiplier tube and radiation detector | Physics | 2 | Expired |
| US5780967A | Electron tube with a semiconductor anode outputting a distortion free electrical signal | Electricity | 2 | Expired |
| US6538376B1 | Photomultiplier tube | Electricity | 1 | Expired |
| US7855510B2 | Photomultiplier tube | Electricity | 1 | Active |
| US9223559B2 | Information processing apparatus, electronic control unit, information processing method, and program | Electricity | 1 | Active |
| US7492097B2 | Electron multiplier unit including first and second support members and photomultiplier including the same | Electricity | 1 | Active |
| US11668783B2 | V2X vehicle-mounted device and V2X relay | Electricity | 1 | Active |
| US9405601B2 | In-vehicle apparatus and program | Physics | 1 | Active |
| US9760470B2 | Device, method, and program analysis of new source code to be added to execution program to check for bug | Physics | 0 | Active |
| US10963354B2 | Control apparatus and recovery processing method for control apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.