Tadashi Hatano
9Patents
4h-index
29Co-inventors
57Inventor score
Filing activity: Nov 30, 1992 → Apr 15, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5228429A | Position measuring device for endoscope | Human Necessities | 118 | Expired |
| US6229832A | Optical wavelength stability control apparatus, optical transmitter and multiple wavelength transmitter | Electricity | 23 | Expired |
| US6603110B2 | Temperature compensating circuit, temperature compensating logarithm conversion circuit and light receiver | Electricity | 9 | Expired |
| US6426495B1 | Temperature compensating circuit, temperature compensating logarithm conversion circuit and light receiver | Electricity | 7 | Expired |
| US7274837B2 | Optical transmitter | Electricity | 4 | Expired |
| US6868235B2 | Optical transmission module with light element temperature control | Electricity | 2 | Expired |
| US7035302B2 | Optical transmission module | Electricity | 2 | Expired |
| US9775589B2 | Rigid endoscope for prostate biopsy and treatment instrument | Human Necessities | 1 | Active |
| US11701440B2 | Modified antibody and radioactive metal-labelled antibody | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.