Inventor · Tokyo, JP

Hiroshi Ikakura

18Patents
6h-index
22Co-inventors
66Inventor score

Filing activity: Nov 23, 1999 → Jul 29, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6479409B2 Fabrication of a semiconductor device with an interlayer insulating film formed from a plasma devoid of an oxidizing agent Electricity 61 Expired
US6514855B1 Semiconductor device manufacturing method having a porous insulating film Electricity 48 Expired
US6255230A Method for modifying a film forming surface of a substrate on which a film is to be formed, and method for manufacturing a semiconductor device using the same Electricity 22 Expired
US6642157B2 Film forming method and semiconductor device Electricity 18 Expired
US6645883B2 Film forming method, semiconductor device and manufacturing method of the same Electricity 12 Expired
US6852651B2 Semiconductor device and method of manufacturing the same Electricity 11 Expired
US8773558B2 Photoelectric conversion element, and photoelectric conversion apparatus and image sensing system Emerging Cross-Sectional Technologies 6 Active
US10008528B2 Solid-state image sensor, method of manufacturing the same, and camera Electricity 5 Active
US6472334B2 Film forming method, semiconductor device manufacturing method, and semiconductor device Electricity 5 Expired
US6815824B2 Semiconductor device and method of manufacturing the same Electricity 5 Expired
US6630412B2 Semiconductor device and method of manufacturing the same Electricity 4 Expired
US6911405B2 Semiconductor device and method of manufacturing the same Electricity 3 Expired
US9224777B2 Solid-state image pickup device and method for manufacturing solid-state image pickup device Electricity 3 Active
US10998370B2 Semiconductor device with insulating layers forming a bonding plane between first and second circuit components, method of manufacturing the same, and electronic device Electricity 1 Active
US9769401B2 Solid-state imaging apparatus, method of manufacturing the same, and camera Electricity 1 Active
US9140603B2 Photoelectric conversion element, and photoelectric conversion apparatus and image sensing system Emerging Cross-Sectional Technologies 1 Active
US6649495B2 Manufacturing method of semiconductor device Electricity 1 Expired
US12166051B2 Photoelectric conversion apparatus, method of manufacturing the same, and image capturing system Electricity 0 Active

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