Inventor · Hitachiota, JP

Masaaki Kitazima

8Patents
8h-index
11Co-inventors
62Inventor score

Filing activity: Sep 5, 1975 → Dec 9, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US4770502A Ferroelectric liquid crystal matrix driving apparatus and method Emerging Cross-Sectional Technologies 50 Expired
US4380008A Method of driving a matrix type phase transition liquid crystal display device to obtain a holding effect and improved response time for the erasing operation Physics 45 Expired
US4062626A Liquid crystal display device Physics 44 Expired
US4750813A Display device comprising a delaying circuit to retard signal voltage application to part of signal electrodes Physics 36 Expired
US4532506A Matrix display and driving method therefor Physics 34 Expired
US5287095A Display device and its displaying method Physics 23 Expired
US5537054A Method for testing an on-off function of semiconductor devices which have an isolated terminal Physics 20 Expired
US4649517A Information holding device Physics 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.