Hisashi Ogawa
100Patents
16h-index
90Co-inventors
89Inventor score
Filing activity: Mar 6, 1979 → Oct 20, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5275972A | Method for fabricating a semiconductor integrated circuit device including the self-aligned formation of a contact window | Emerging Cross-Sectional Technologies | 107 | Expired |
| US5164337A | Method of fabricating a semiconductor device having a capacitor in a stacked memory cell | Emerging Cross-Sectional Technologies | 103 | Expired |
| US4977104A | Method for producing a semiconductor device by filling hollows with thermally decomposed doped and undoped polysilicon | Electricity | 70 | Expired |
| US5561657A | Magazine for read/write disks and method and device for reading and writing of said read/write disks | Physics | 38 | Expired |
| US5682364A | Magazine for read/write disks and method and device for reading and writing said disks | Physics | 34 | Expired |
| US4343489A | Seatbelt system | Performing Operations; Transporting | 28 | Expired |
| US6685992B1 | Method for partially treating a water-repellent glass sheet | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5693557A | Method of fabricating a semiconductor device | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6926946B2 | Partially treated water-repellent glass sheet | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5399890A | Semiconductor memory device in which a capacitor electrode of a memory cell and an interconnection layer of a peripheral circuit are formed in one level | Electricity | 25 | Expired |
| US5786273A | Semiconductor device and associated fabrication method | Electricity | 23 | Expired |
| US5405800A | Method of fabricating a semiconductor memory device | Electricity | 19 | Expired |
| US6642564B2 | Semiconductor memory and method for fabricating the same | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6465108B1 | Process for the production of articles covered with silica-base coats | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5384276A | Method of fabricating a memory device with a multilayer insulating film | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5891762A | Method of forming a semiconductor device by using a conductive film as an etching stopper | Electricity | 17 | Expired |
| US5474949A | Method of fabricating capacitor or contact for semiconductor device by forming uneven oxide film and reacting silicon with metal containing gas | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4372580A | Automatic seatbelt system | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4550923A | Fuel supplying means installed on a lateral cross member of a vehicle | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5406103A | Semiconductor memory device with stacked capacitor above bit lines | Electricity | 14 | Expired |
| US4313622A | Passive seatbelt system | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5201547A | Rear under body structure | Performing Operations; Transporting | 12 | Expired |
| US4345781A | Webbing slider lock mechanism | Performing Operations; Transporting | 11 | Expired |
| US5315543A | Semiconductor memory device and a manufacturing method thereof | Electricity | 11 | Expired |
| US4473243A | Shoulder webbing anchoring device | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.