Masao Kamahori
40Patents
14h-index
65Co-inventors
84Inventor score
Filing activity: Nov 4, 1987 → May 1, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6216538A | Particle handling apparatus for handling particles in fluid by acoustic radiation pressure | Physics | 204 | Expired |
| US5480614A | Micro-reactor device for minute sample analysis | Emerging Cross-Sectional Technologies | 175 | Expired |
| US7888708B2 | Examination apparatus for biological sample and chemical sample | Physics | 132 | Active |
| US7838226B2 | Deoxyribonucleic acid measuring apparatus and method of measuring deoxyribonucleic acid | Performing Operations; Transporting | 76 | Active |
| US5458761A | Method for analyzing nucleic acid or protein and apparatus therefor | Physics | 63 | Expired |
| US8383396B2 | Apparatus and method for measuring biological material | Physics | 47 | Active |
| US6750018B2 | Method for detecting nucleic acid mutation by detecting chemiluminiscence generated with by-product of complementary strand extension reaction | Chemistry; Metallurgy | 41 | Expired |
| US5409586A | Method for analyzing nucleic acid or protein and apparatus therefor | Physics | 37 | Expired |
| US5976338A | DNA analyzer | Physics | 31 | Expired |
| US4823168A | Flow-through cell for a photometer formed using a pair of cell body members | Physics | 30 | Expired |
| US8128796B2 | Analyzer | Physics | 29 | Active |
| US7163822B2 | Apparatus and method for luminometric assay | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5783450A | Analytical method and instrument for analysis of liquid sample by liquid chromatography | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7157050B2 | System and method for detecting biological and chemical material | Physics | 15 | Expired |
| US7184576B2 | Personal authentication system | Physics | 14 | Expired |
| US5005434A | Autosampler with a means for detecting air bubble in specimen | Physics | 14 | Expired |
| US6635164B1 | Capillary electrophoresis system | Physics | 14 | Expired |
| US9658153B2 | Flow cell and liquid analyzer | Physics | 7 | Active |
| US5093267A | Method for biochemical assay and an analyzer for the method | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5212097A | Method for analysis of catecholamine | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8394247B2 | Anion concentration measuring device and anion concentration measuring element | Physics | 3 | Active |
| US9975308B2 | Glass/resin composite structure and method for manufacturing same | Emerging Cross-Sectional Technologies | 2 | Active |
| US6821446B2 | Removal method for coating of polymer coated glass capillary tubing and polymer coated glass capillary tubing | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9541531B2 | Detector for liquid chromatography | Physics | 1 | Active |
| US8323468B2 | Ion concentration measuring device and ion concentration measuring element | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.