Hiromi Yamashita
28Patents
11h-index
52Co-inventors
78Inventor score
Filing activity: Jun 17, 1980 → Jan 27, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4569695A | Method of cleaning a photo-mask | Electricity | 65 | Expired |
| US5308977A | Plasma mass spectrometer | Electricity | 54 | Expired |
| USD621523S1 | Capillary DNA sequencer | General | 41 | Expired |
| US5182445A | Contact type line image sensor | Electricity | 33 | Expired |
| US4343833A | Method of manufacturing thermal head | Performing Operations; Transporting | 26 | Expired |
| US6077492A | Photocatalyst, process for producing the photocatalyst, and photocatalytic reaction method | Performing Operations; Transporting | 22 | Expired |
| US4782202A | Method and apparatus for resistance adjustment of thick film thermal print heads | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5268765A | Image sensor and image sensor chips therefor including dummy photocells and internal discharge switches | Electricity | 15 | Expired |
| US5252827A | Method and apparatus for analysis of gases using plasma | Electricity | 12 | Expired |
| US5357351A | Image reading device | Electricity | 12 | Expired |
| US4983653A | Polyester shrinkable film containing benzotriazole | Chemistry; Metallurgy | 11 | Expired |
| US6522359B1 | Image signal processing apparatus for image sensor | Electricity | 8 | Expired |
| US7056427B2 | Electrophoresis apparatus using capillary array and sample plate assembly used therefor | Physics | 6 | Expired |
| US6020958A | Atomic absorption spectrophotometer | Physics | 5 | Expired |
| US7390390B2 | Capillary array electrophoretic device and auto sampler used for the device | Physics | 5 | Expired |
| US6572752B1 | Capillary electrophoretic instrument and capillary array assembly | Physics | 4 | Expired |
| US5130537A | Plasma analyzer for trace element analysis | Physics | 4 | Expired |
| USD394613S | Atomic absorption spectrometer | General | 3 | Expired |
| US7883613B2 | Capillary electrophoresis apparatus | Physics | 2 | Active |
| US7014746B2 | Capillary electrophoretic instrument and capillary array assembly | Physics | 2 | Expired |
| US8222173B2 | Catalyst and method of manufacturing the same | Performing Operations; Transporting | 2 | Expired |
| US5978082A | Atomic absorptiometer and a metal specimen atomic vapor generation apparatus used in the atomic absorotiometer | Physics | 2 | Expired |
| US9415391B2 | Cartridge for biochemical use and biochemical processing device | Performing Operations; Transporting | 0 | Active |
| US8252162B2 | Capillary electrophoresis apparatus | Physics | 0 | Active |
| US8685220B2 | Capillary electrophoresis apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.