Yuji Ito
231Patents
27h-index
242Co-inventors
93Inventor score
Filing activity: Feb 26, 1974 → Aug 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5760900A | Method and apparatus for optically measuring specimen | Emerging Cross-Sectional Technologies | 132 | Expired |
| US6553180B1 | Digital information recording/playback system and digital information recording medium | Electricity | 131 | Expired |
| US7963595B2 | Vehicle seats | Performing Operations; Transporting | 112 | Active |
| US5517620A | Dynamic updating of routing information for routing packets between LAN's connected to a plurality of routers via a public network | Electricity | 108 | Expired |
| US7127155B2 | Information storage system capable of recording and playing back a plurality of still pictures | Electricity | 74 | Expired |
| US5480775A | Method for measuring a specimen by the use of fluorescent light | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5802316A | Routers connecting LANs through public network | Electricity | 68 | Expired |
| US6259858A | Optical disc for storing moving pictures with text information and apparatus using the disc | Electricity | 66 | Expired |
| US5351237A | Network system comprising a plurality of lans connected to an | Electricity | 64 | Expired |
| US6353702B1 | Information storage system capable of recording and playing back a plurality of still pictures | Electricity | 59 | Expired |
| US5775415A | Air conditioning system | Performing Operations; Transporting | 57 | Expired |
| US4999513A | Particle measuring apparatus | Physics | 52 | Expired |
| US4768106A | Apparatus for recording video and PCM audio signals with insert editing using axially displaced heads | Physics | 48 | Expired |
| US6152217A | Air temperature control system for a vehicle | Performing Operations; Transporting | 47 | Expired |
| US6389222B1 | Management system for protected and temporarily-erased still picture information | Electricity | 46 | Expired |
| US6580872B1 | Digital video system | Electricity | 45 | Expired |
| US6570837B1 | Information recording medium including playback interrupt information table | Electricity | 35 | Expired |
| US6532334B1 | Information reproducing system, information recording/reproducing system, and recording medium applicable to the system | Electricity | 34 | Expired |
| US6577811B1 | Recorded contents protection scheme for digital recording/reproducing system | Electricity | 33 | Expired |
| US4690561A | Particle analyzing apparatus | Physics | 33 | Expired |
| US5583677A | Optical compensation sheet and its fabrication as well as liquid crystal display device using the same | Physics | 32 | Expired |
| US5162863A | Method and apparatus for inspecting a specimen by optical detection of antibody/antigen sensitized carriers | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6012297A | Vehicle air conditioning apparatus | Performing Operations; Transporting | 30 | Expired |
| US6498222B1 | Water resistance imparter, ink composition, reactive fluid, and method of ink-jet recording with two fluids | Performing Operations; Transporting | 28 | Expired |
| US5537831A | Air conditioning apparatus for electric automobiles | Mechanical Engineering; Lighting; Heating | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.