Robert C. Hoffman
18Patents
3h-index
5Co-inventors
53Inventor score
Filing activity: May 14, 1979 → Jun 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4300847A | Teleprinter having single belt carriage and ribbon drive system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7751109B1 | Electro-optic shutter | Physics | 9 | Active |
| US4300845A | Dot matrix print head | Performing Operations; Transporting | 6 | Expired |
| USD267566S | Inked tape cartridge | General | 3 | Expired |
| US5409548A | Ferroelectric detector array utilizing material and fabrication technique | Electricity | 2 | Expired |
| US7646797B1 | Use of current channeling in multiple node laser systems and methods thereof | Electricity | 2 | Active |
| US10731288B2 | Drying rack for a laundry treating appliance | Textiles; Paper | 2 | Active |
| US8363300B2 | Large aperture polymer electro-optic shutter device and method of manufacturing same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8159738B2 | Large aperture polymer electro-optic shutter device and method of manufacturing same | Emerging Cross-Sectional Technologies | 1 | Active |
| US12344987B2 | Drying rack for a laundry treating appliance | Textiles; Paper | 0 | Active |
| US11414809B2 | Drying rack for a laundry treating appliance | Textiles; Paper | 0 | Active |
| US8315283B2 | Wavelength selectable laser systems and related methods | Electricity | 0 | Active |
| US9051177B2 | Active optical limiting semiconductor device and method with active region transparent to light becoming opaque when not biased | Electricity | 0 | Active |
| US9817253B2 | High-speed wide field-of-view electro-optic system and method | Physics | 0 | Active |
| USD262796S | Teleprinter | General | 0 | Expired |
| US7756175B2 | Pumped semiconductor laser systems and methods | Electricity | 0 | Active |
| US8371705B2 | Mirrors and methods of making same | Chemistry; Metallurgy | 0 | Active |
| US10018857B2 | High-speed wide field-of-view electro-optic system and method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.