Inventor · Tochigi, JP

Hiroshi Saito

386Patents
28h-index
563Co-inventors
93Inventor score

Filing activity: Mar 15, 1974 → Nov 7, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5161037A Image processing system and method for processing documents in accordance with a job control sheet Electricity 236 Expired
US5162933A Active matrix structure for liquid crystal display elements wherein each of the gate/data lines includes at least a molybdenum-base alloy layer containing 0.5 to 10 wt. % of chromium Physics 186 Expired
US6535749B1 Mobile information terminal equipment and portable electronic apparatus Electricity 130 Expired
US6563796B1 Apparatus for quality of service evaluation and traffic measurement Electricity 113 Expired
US7175177B2 Golf data management system, data center, and method of managing golf data Human Necessities 105 Expired
US6009338A Mobile information terminal equipment and portable electronic apparatus Electricity 93 Expired
US7250746B2 Current mode switching regulator with predetermined on time Electricity 87 Expired
US4387980A Charging device for electronic copier Physics 83 Expired
US4721553A Method and apparatus for microwave assisting sputtering Electricity 80 Expired
US4853102A Sputtering process and an apparatus for carrying out the same Electricity 79 Expired
US4610770A Method and apparatus for sputtering Electricity 69 Expired
US6381536B1 Apparatus for generating road information from stored digital map database Physics 67 Expired
US7069056B2 Mobile information terminal equipment and portable electronic apparatus Electricity 60 Expired
US5021114A Apparatus for treating material by using plasma Electricity 57 Expired
US5540820A Thin film forming method Electricity 48 Expired
US5799229A Toner spreading device for a charging roller of an image forming apparatus Physics 42 Expired
US4831963A Plasma processing apparatus Electricity 42 Expired
US5596227A Ball grid array type semiconductor device Electricity 40 Expired
US4989973A Surface condition estimating apparatus Physics 39 Expired
US5587205A Plasma processing method and an apparatus for carrying out the same Electricity 39 Expired
US6208879A Mobile information terminal equipment and portable electronic apparatus Electricity 38 Expired
US7009627B2 Display apparatus, and image signal processing apparatus and drive control apparatus for the same Emerging Cross-Sectional Technologies 37 Expired
US5825532A Microscopic system integrated with wide-screen television Electricity 36 Expired
US4907256A Exchange system having originating call restriction function Electricity 33 Expired
US4859342A Process for industrially separating biopolymers Performing Operations; Transporting 32 Expired

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