Masanobu Hanazono
24Patents
12h-index
73Co-inventors
84Inventor score
Filing activity: Feb 18, 1975 → Jun 6, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4592801A | Method of patterning thin film | Physics | 58 | Expired |
| US4659587A | Electroless plating process and process for producing multilayer wiring board | Electricity | 38 | Expired |
| US4780781A | Thin film magnetic head having magnetic film of Co-Ni-Fe alloy | Physics | 28 | Expired |
| US4044394A | Thin film magnetic head with a center tap | Physics | 26 | Expired |
| US4766009A | Selective working method | Electricity | 24 | Expired |
| US4685014A | Production method of thin film magnetic head | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5204202A | Electrophotographic photosensitive element comprising a protective layer with a porous surface impregnated with lubricant | Physics | 15 | Expired |
| US4024041A | Method of forming deposition films for use in multi-layer metallization | Electricity | 14 | Expired |
| US5109311A | Magnetic disk device and method of recording/retrieving information | Physics | 14 | Expired |
| US5252418A | Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the same | Physics | 13 | Expired |
| US4943883A | Quarternary amorphous magnetic alloy thin film and magnetic head including same | Physics | 12 | Expired |
| US4003772A | Method for preparing thin film integrated circuit | Electricity | 12 | Expired |
| US4617575A | Thermal head | Performing Operations; Transporting | 12 | Expired |
| US3968019A | Method of manufacturing low power loss semiconductor device | Electricity | 11 | Expired |
| US4939610A | Thin film magnetic head having magnetic core including a thin film of cobalt alloy | Physics | 11 | Expired |
| US5073466A | Electrophotographic member containing a fluorine-containing lubricating agent and process for producing the same | Physics | 11 | Expired |
| US5200277A | Electroluminescent device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4983575A | Superconducting thin films made of stacked composite oxide layers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5728481A | Spin interaction device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4971896A | Method for forming thin film pattern and method for fabricating thin film magnetic head using the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4698273A | Multi-layered ferromagnetic film and method of manufacturing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4623439A | Thin film of Ni-Co-Fe ternary alloy and process for producing the same | Electricity | 6 | Expired |
| US5229621A | Magnetic semiconductor element and a magneto-optical read out head | Electricity | 1 | Expired |
| US4912008A | Method of annealing electrophotographic photosensitive device | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.