Hiroshi Ohashi
66Patents
17h-index
86Co-inventors
87Inventor score
Filing activity: May 19, 1976 → Jan 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5220033A | Siloxane compounds and their preparation | Chemistry; Metallurgy | 67 | Expired |
| US4811143A | Head supporting mechanism for maintaining close operative relationship between magnetic heads and a flexible disk | Physics | 63 | Expired |
| US6190539A | Reforming using a bound halided zeolite catalyst | Chemistry; Metallurgy | 57 | Expired |
| US6207042A | Reforming using a bound halided zeolite catalyst | Performing Operations; Transporting | 47 | Expired |
| US5486967A | Magnetic disk memory system | Physics | 40 | Expired |
| US4778624A | Method for the preparation of an aqueous emulsion of poly(silsesquioxane) | Chemistry; Metallurgy | 33 | Expired |
| US4985155A | Silicone-containing fabric finishing agent | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6020567A | Operation apparatus of circuit breaker | Electricity | 31 | Expired |
| US4070650A | Digital signal transmission system and equipment | Electricity | 30 | Expired |
| US4292679A | Variable directivity mounting means | Physics | 30 | Expired |
| US4987180A | Silicone-based fabric finishing agent | Textiles; Paper | 27 | Expired |
| US5232611A | Fiber treatment agent | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4757121A | Silicone-based softening agent for synthetic fibers | Textiles; Paper | 22 | Expired |
| US5206328A | Process for the production of an organopolysiloxane | Chemistry; Metallurgy | 22 | Expired |
| US5025076A | Silicone-based fabric finishing agent | Chemistry; Metallurgy | 20 | Expired |
| US5354933A | Process for producing aromatic hydrocarbons | Performing Operations; Transporting | 19 | Expired |
| US4677178A | Silicone-based textile finishing agent | Textiles; Paper | 18 | Expired |
| US4617340A | Silicone-containing fabric treatment agent | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5271868A | Polyoxyalkylene-modified polydimethylsiloxane antifoam compositions with two different polyoxyalkylene groups | Performing Operations; Transporting | 15 | Expired |
| US4141642A | Optical fiber cathode ray tubes and copy machines using the same | Electricity | 15 | Expired |
| US4287579A | Moving object detecting device | Physics | 14 | Expired |
| US4725635A | Silicone-based synthetic fiber finishing agent | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4114146A | Ultrasonic wave watching device of moving object detecting type | Physics | 13 | Expired |
| US5130867A | Magnetic disk unit utilizing a predetermined range for the frictional coefficient between the magnetic head and the recording medium | Physics | 12 | Expired |
| US5258451A | Method for the preparation of an aqueous emulsion of organopolysiloxane | Chemistry; Metallurgy | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.