Nippondenso Co., Ltd.
3,284Patents
0Active
3,284Granted
48Portfolio score
Filing activity: Mar 11, 1971 → Jul 19, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5760931A | Image display unit | Physics | 672 | Expired |
| US5877095A | Method of fabricating a semiconductor device having a silicon nitride film made of silane, ammonia and nitrogen | Electricity | 542 | Expired |
| US4623222A | Liquid crystal type dazzle-free transmissive-reflective mirror | Performing Operations; Transporting | 523 | Expired |
| US5726435A | Optically readable two-dimensional code and method and apparatus using the same | Physics | 396 | Expired |
| US4891559A | Apparatus for controlling a headlight of a vehicle | Performing Operations; Transporting | 382 | Expired |
| US4499451A | Mirror | Physics | 380 | 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 |
| US5070293A | Electric power transmitting device with inductive coupling | Emerging Cross-Sectional Technologies | 301 | Expired |
| US5754099A | Obstacle warning system for a vehicle | Physics | 289 | Expired |
| US4867561A | Apparatus for optically detecting an extraneous matter on a translucent shield | Emerging Cross-Sectional Technologies | 277 | Expired |
| US4676601A | Drive apparatus for a liquid crystal dazzle-free mirror arrangement | Performing Operations; Transporting | 259 | Expired |
| US4481450A | System for controlling a vehicle window and the like | Emerging Cross-Sectional Technologies | 244 | Expired |
| US4669825A | Control apparatus with delay circuit for antiglare mirror | Performing Operations; Transporting | 242 | Expired |
| US4632509A | Glare-shielding type reflector | Physics | 238 | Expired |
| US4636782A | Display arrangement for a vehicle | Performing Operations; Transporting | 234 | Expired |
| US5710565A | System for controlling distance to a vehicle traveling ahead based on an adjustable probability distribution | Performing Operations; Transporting | 234 | Expired |
| US4818847A | Apparatus for optically reading printed information | Physics | 225 | Expired |
| US4641079A | Battery voltage regulating system | Electricity | 224 | Expired |
| US5412323A | Battery condition detecting apparatus and charge control apparatus for automobile | Emerging Cross-Sectional Technologies | 220 | Expired |
| US4625329A | Position analyzer for vehicle drivers | Mechanical Engineering; Lighting; Heating | 202 | Expired |
| US4635033A | Display system for automotive vehicle | Physics | 198 | Expired |
| US5537967A | Vibration damping control apparatus for vehicle | Emerging Cross-Sectional Technologies | 198 | Expired |
| US5656858A | Semiconductor device with bump structure | Electricity | 197 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.