Masahiro Tsuji
36Patents
12h-index
58Co-inventors
84Inventor score
Filing activity: Jun 10, 1976 → Dec 3, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6669751B1 | Honeycomb filter and ceramic filter assembly | Emerging Cross-Sectional Technologies | 201 | Expired |
| US7112233B2 | Honeycomb filter and ceramic filter assembly | Emerging Cross-Sectional Technologies | 88 | Expired |
| US7427309B2 | Honeycomb filter and ceramic filter assembly | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5530282A | Semiconductor device having a multilayer interconnection structure | Electricity | 41 | Expired |
| US5619312A | Developing device with developer-supplying mechanism | Physics | 25 | Expired |
| US5004520A | Method of manufacturing film carrier | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4666667A | High-strength, high-conductivity copper alloy | Chemistry; Metallurgy | 22 | Expired |
| US5157135A | 1.alpha.,25-dihydroxyvitamin D4 compounds, ergosta-5,7-diene compounds and processes for the preparation thereof | Chemistry; Metallurgy | 21 | Expired |
| US5946530A | Developer processing apparatus provided with sealing member and sealing layer at rotary member supporting portion | Physics | 18 | Expired |
| US4366117A | Copper alloy for use as lead material for semiconductor devices | Electricity | 14 | Expired |
| US4362579A | High-strength-conductivity copper alloy | Electricity | 14 | Expired |
| US6236027A | Ceramic heater | Electricity | 13 | Expired |
| US4908275A | Film carrier and method of manufacturing same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6404066B1 | Semiconductor device and process for manufacturing the same | Electricity | 12 | Expired |
| US7040963B1 | Table of wafer polishing apparatus, method for polishing semiconductor wafer, and method for manufacturing semiconductor wafer | Performing Operations; Transporting | 11 | Expired |
| US5698904A | Packaging material for electronic components | Electricity | 9 | Expired |
| US5672550A | Method of encapsulating semiconductor devices using a lead frame with resin tablets arranged on lead frame | Electricity | 8 | Expired |
| US4452757A | Copper alloy for radiators | Chemistry; Metallurgy | 5 | Expired |
| US4609412A | Al-killed cold-rolled steel sheet with excellent demagnetization characteristics and process for producing the same, and shadow mask and color television using the same | Chemistry; Metallurgy | 4 | Expired |
| US5286342A | Method of manufacturing lead frame used in electronic component | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4526893A | Isocarbostyril derivatives | Human Necessities | 3 | Expired |
| US4517365A | Isocarbostyril derivative | Human Necessities | 3 | Expired |
| US4885246A | Optically active carbacyclin intermediates and processes for the preparation thereof | Chemistry; Metallurgy | 2 | Expired |
| US4659833A | Optically active isocarbostyril derivatives and a method of preparing the same | Chemistry; Metallurgy | 2 | Expired |
| US4814468A | Optically active carbacyclin intermediates and processes for the preparation thereof | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.