Toshimitsu Hamada
25Patents
16h-index
58Co-inventors
84Inventor score
Filing activity: Jan 16, 1976 → Aug 10, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4162126A | Surface detect test apparatus | Physics | 68 | Expired |
| US5059559A | Method of aligning and bonding tab inner leads | Emerging Cross-Sectional Technologies | 60 | Expired |
| US6002989A | System for quality control where inspection frequency of inspection apparatus is reset to minimize expected total loss based on derived frequency function and loss value | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4403294A | Surface defect inspection system | Physics | 53 | Expired |
| US4772125A | Apparatus and method for inspecting soldered portions | Physics | 49 | Expired |
| US4410278A | Method and apparatus for appearance inspection | Physics | 44 | Expired |
| US6542830B1 | Process control system | Electricity | 44 | Expired |
| US4744047A | Pattern test apparatus including a plurality of pattern generators | Physics | 37 | Expired |
| US4776023A | Pattern inspection method | Physics | 32 | Expired |
| US4064484A | Analog-digital converter with variable threshold levels | Physics | 24 | Expired |
| US4226539A | Cylindrical body appearance inspection apparatus | Physics | 22 | Expired |
| US4872187A | X-ray tomographic imaging system and method | Physics | 22 | Expired |
| US5015097A | Method for inspecting filled state of via-holes filled with fillers and apparatus for carrying out the method | Physics | 21 | Expired |
| US5493594A | Method and apparatus for inspection of solder joints by x-ray fluoroscopic imaging | Physics | 20 | Expired |
| US4091394A | Pattern position detecting system | Physics | 20 | Expired |
| US6757621B2 | Process management system | Electricity | 18 | Expired |
| US4291334A | System for detecting the position of an object | Electricity | 12 | Expired |
| US4109211A | Variable thresholding circuit for converting an analog signal to a binary signal | Electricity | 10 | Expired |
| US5463667A | Inspection method for soldered joints using x-ray imaging and apparatus therefor | Physics | 9 | Expired |
| US4556797A | Method and apparatus for detecting edge of fine pattern on specimen | Electricity | 4 | Expired |
| US8568589B2 | Connection member and separation membrane module using the same | Performing Operations; Transporting | 1 | Active |
| US9914077B2 | End member for spiral separation membrane element, spiral separation membrane element and separation membrane module | Performing Operations; Transporting | 0 | Active |
| US9061247B2 | Separation membrane module | Performing Operations; Transporting | 0 | Active |
| US9504963B2 | Spiral separation membrane element | Performing Operations; Transporting | 0 | Active |
| US8758611B2 | Edge member for membrane element and membrane element equipped with same | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.