Rainer Hahn
33Patents
13h-index
39Co-inventors
81Inventor score
Filing activity: Jan 20, 1975 → Aug 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6139320A | Apparatus, method and expedient materials for ultrasonic preparation of human and animal hard or soft tissues and of dental or bone replacement materials as well as object obtained thereby | Performing Operations; Transporting | 570 | Expired |
| US6273717A | Dental instrument for sonic or ultrasonic treatment | Human Necessities | 111 | Expired |
| US6545390B1 | Device for generating high-frequency mechanical vibrations for a dental handpiece | Performing Operations; Transporting | 106 | Expired |
| US6394802B1 | Device for producing tooth impressions and impression tray therefor | Human Necessities | 75 | Expired |
| US6860879B2 | Use of 5-aminolevulinic acid or a derivate thereof for photodynamic diagnosis and/or photodynamic therapy | Human Necessities | 47 | Expired |
| US6699040B1 | Material for differently modifying the optical properties of different cells | Human Necessities | 40 | Expired |
| US5709823A | Method for producing sonotrodes | Performing Operations; Transporting | 37 | Expired |
| US6217326A | Mold for producing a model of a tooth | Human Necessities | 26 | Expired |
| US3952773A | Breathing gas supply controller | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5953783A | Material and implement for cleaning the surfaces of teeth and denture materials | Human Necessities | 22 | Expired |
| US5114340A | Apparatus for selection of tooth color | Human Necessities | 19 | Expired |
| US5490810A | Process and device for manufacturing a structural part, especially of a ceramic tooth restoration, and a process of making sonotrode crowns | Performing Operations; Transporting | 17 | Expired |
| US6997883B1 | Diagnostic apparatus for determining the remineralization ability of tissue | Human Necessities | 17 | Expired |
| US6599974B1 | Impression material | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6664305B2 | Chromatography material and a process of manufacturing that material | Performing Operations; Transporting | 9 | Expired |
| US5874632A | Method of producing ketoisophorone | Chemistry; Metallurgy | 8 | Expired |
| US5775911A | Method and apparatus for producing a shaped article by sonoerosion | Human Necessities | 7 | Expired |
| US4427635A | Chemical oxygen generator | Human Necessities | 6 | Expired |
| US7163397B2 | Apparatus for applying material for selectively modifying the optical properties of metabolically different cells | Human Necessities | 5 | Expired |
| US4536370A | Chemical oxygen generator | Human Necessities | 3 | Expired |
| US8058410B2 | Affinity ligands | Chemistry; Metallurgy | 3 | Active |
| US5907065A | Method of producing .beta.-isophorone by the isomerization of .alpha.-isophorone | Chemistry; Metallurgy | 2 | Expired |
| US6310259A | Method for producing 6,10 and 6,9-dimethyl-5,10-undecadienyl-2-ones | Chemistry; Metallurgy | 2 | Expired |
| US7044940B1 | Storage container for a suspension used for medical purposes | Performing Operations; Transporting | 2 | Expired |
| US6048988A | Process for the production of .alpha.-tocopherol esters | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.