Ichiro Ogura
43Patents
14h-index
44Co-inventors
81Inventor score
Filing activity: Apr 25, 1977 → May 25, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4483202A | Ultrasonic flowmeter | Physics | 65 | Expired |
| US4943987A | Method and system for displaying X-ray images of blood-vessel structure parts of subject | Human Necessities | 51 | Expired |
| US4425805A | Respiration flowmeter | Human Necessities | 45 | Expired |
| US4760378A | Method and apparatus for converting a run length limited code | Physics | 44 | Expired |
| US6784228B2 | Epoxy resin composition, cured article thereof, novel epoxy resin, novel phenol compound, and process for preparing the same | Chemistry; Metallurgy | 37 | Expired |
| US4217516A | Probe for ultrasonic diagnostic apparatus | Performing Operations; Transporting | 37 | Expired |
| US4787394A | Ultrasound therapy apparatus | Human Necessities | 36 | Expired |
| US4581942A | Measuring conduit for flow rate and concentration of fluid | Human Necessities | 26 | Expired |
| US4633330A | Digital recording and reproducing apparatus for television signal | Electricity | 21 | Expired |
| US7620272B2 | Photoelectric composite module and optical input/output device | Physics | 17 | Active |
| US4628355A | Diagnostic X-ray apparatus | Electricity | 16 | Expired |
| US5302672A | 2,7-dihydroxynaphthalene based epoxy resin, intermediate thereof, processes for producing them, and epoxy resin composition | Chemistry; Metallurgy | 15 | Expired |
| US4688175A | Image processor with automatic setting of window width and level for individual blocks of the image | Physics | 14 | Expired |
| US5028969A | Semiconductor device for a space modulation matrix and method for driving a space modulation matrix | Physics | 14 | Expired |
| US4674108A | Digital X-ray medical diagnostic apparatus | Electricity | 14 | Expired |
| US5677552A | Optical control circuit for an optical pnpn thyristor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5046483A | Apparatus for disintegrating calculuses | Human Necessities | 9 | Expired |
| US5414282A | Semiconductor optoelectronic switch and method for driving the same | Electricity | 9 | Expired |
| US5093875A | Optical interconnection apparatus | Electricity | 8 | Expired |
| US6660811B2 | Epoxy resin composition and curing product thereof | Electricity | 8 | Expired |
| US5703898A | Surface emission laser and method of manufacturing the same | Electricity | 7 | Expired |
| US4905264A | Method and system for displaying flickerless X-ray dynamic images | Electricity | 6 | Expired |
| US5375004A | Light connecting device and method of driving the same | Electricity | 6 | Expired |
| US9778420B2 | Connecting structure of optical module and optical connector | Physics | 5 | Active |
| US7087702B2 | Epoxy resin composition, process for producing epoxy resin, novel epoxy resin, novel phenol resin | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.