Hiroshi Itoh
261Patents
32h-index
347Co-inventors
93Inventor score
Filing activity: Apr 15, 1975 → Jan 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4623222A | Liquid crystal type dazzle-free transmissive-reflective mirror | Performing Operations; Transporting | 523 | Expired |
| US4697883A | Control apparatus for two section, glare shield mirror | Performing Operations; Transporting | 353 | Expired |
| US4671615A | Control apparatus for a dazzle-free reflection mirror of a vehicle | Performing Operations; Transporting | 347 | Expired |
| US4721364A | Dazzle-free mirror with photocell in a non-dazzle-free portion | Performing Operations; Transporting | 310 | Expired |
| US4676601A | Drive apparatus for a liquid crystal dazzle-free mirror arrangement | Performing Operations; Transporting | 259 | Expired |
| US4669825A | Control apparatus with delay circuit for antiglare mirror | Performing Operations; Transporting | 242 | Expired |
| US4632509A | Glare-shielding type reflector | Physics | 238 | Expired |
| US4669826A | Apparatus for detecting the direction of light for dazzle-free mirrors | Performing Operations; Transporting | 189 | Expired |
| US4835312A | Production process of N-substituted amide compounds | Chemistry; Metallurgy | 143 | Expired |
| US4655549A | Automatic antidazzle semitransparent mirror | Performing Operations; Transporting | 137 | Expired |
| US4669827A | Detection of manipulation of position apparatus for dazzle-free mirror | Performing Operations; Transporting | 133 | Expired |
| US5006093A | Hydraulic control apparatus for vehicle power transmitting system having continuously variable transmission | Mechanical Engineering; Lighting; Heating | 122 | Expired |
| US6306057A | Hybrid drive system | Emerging Cross-Sectional Technologies | 120 | Expired |
| US4663990A | Method for controlling continuously variable transmission | Mechanical Engineering; Lighting; Heating | 93 | Expired |
| US7053881B2 | Image display device and image display method | Physics | 91 | Expired |
| US4828710A | Method for the extraction of water from macromolecular solutions | Chemistry; Metallurgy | 82 | Expired |
| US4495779A | Air conditioner | Emerging Cross-Sectional Technologies | 67 | Expired |
| US5812919A | Image transferring device for an image forming apparatus | Physics | 57 | Expired |
| US5945760A | Motor with built-in permanent magnets | Electricity | 49 | Expired |
| US4649219A | Unsaturated cyclic amido-substituted ether compounds and preparation process thereof | Chemistry; Metallurgy | 48 | Expired |
| US4963124A | Planetary gear transmission for motor vehicle | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US6460230B2 | Mold-in fastening member and production of molded resin article having mold-in fastening member | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6515054B1 | Biodegradable resin composition and its molded product | Chemistry; Metallurgy | 45 | Expired |
| US6177544A | Collagen-based auxiliary agent for ophthalmic surgery | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4920424A | Method of recording and reproducing multi-channel information on and from recording medium | Electricity | 39 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.