Yoji Ito
77Patents
17h-index
84Co-inventors
87Inventor score
Filing activity: Apr 8, 1976 → Nov 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5583679A | Liquid crystal display with optical compensatory sheet having discotic molecules varyingly inclined | Physics | 152 | Expired |
| US4419730A | Method and system for controlling the setting temperature of a vehicle air conditioner | Physics | 89 | Expired |
| US5805253A | Liquid crystal display with compensators having minimum retardations in the inclined direction | Physics | 58 | Expired |
| US4442424A | Method and system for displaying vehicle operating parameters in a variable format | Performing Operations; Transporting | 57 | Expired |
| US4348653A | Method and system for indicating automobile abnormal conditions | Physics | 47 | Expired |
| US5556640A | Dry gel composition | Human Necessities | 43 | Expired |
| US4673902A | Dielectric material coaxial resonator filter directly mountable on a circuit board | Electricity | 41 | Expired |
| US4423397A | Dielectric resonator and filter with dielectric resonator | Electricity | 37 | Expired |
| US6380996B1 | Optical compensatory sheet and liquid crystal display | Physics | 34 | Expired |
| US4514810A | Navigator for vehicles | Physics | 30 | Expired |
| US5631051A | Optical compensatory sheet | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4438422A | Warning method and system for vehicles | Performing Operations; Transporting | 25 | Expired |
| US4358936A | Electric control method and apparatus for air conditioners | Performing Operations; Transporting | 22 | Expired |
| US4121181A | Electrical branching filter | Electricity | 19 | Expired |
| US4503528A | Method and apparatus for controlling vehicle mounted devices and equipment | Electricity | 19 | Expired |
| US4391320A | Method and an apparatus for air conditioning for vehicles by controlling circulation of inside air and introduction of outside air | Performing Operations; Transporting | 17 | Expired |
| US4365663A | Method and system for controlling a vehicle-mounted air conditioner | Physics | 17 | Expired |
| US6710923B2 | Diffusing film comprising transparent resin and scatterers | Physics | 16 | Expired |
| US5699136A | Negative uniaxial anisotropic element and method for manufacturing the same | Physics | 16 | Expired |
| US7084944B2 | Optical compensatory sheet comprising a biaxially stretched cellulose acetate film, polarizing plate and liquid crystal display | Chemistry; Metallurgy | 15 | Expired |
| US7019130B2 | Cellulose acetate film having controlled retardation and thickness | Physics | 13 | Expired |
| US7190525B2 | Diffusion film comprising transparent substrate and diffusion layer | Physics | 13 | Expired |
| US7078078B2 | Optical compensatory sheet comprising transparent support and optically anisotropic layer | Chemistry; Metallurgy | 12 | Expired |
| US4669426A | Cooling system for automotive engine or the like | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7105212B2 | Optical compensatory sheet comprising polymer film | Chemistry; Metallurgy | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.