Koichi Kawamura
101Patents
18h-index
115Co-inventors
89Inventor score
Filing activity: Nov 26, 1975 → Dec 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4224081A | Solar cell sealed by glass laminations | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5731123A | Positive image forming composition | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6017677A | Planographic printing plate | Performing Operations; Transporting | 46 | Expired |
| US5490081A | Working tool operation range limiting apparatus | Fixed Constructions | 41 | Expired |
| US6153352A | Planographic printing plate precursor and a method for producing a planographic printing plate | Performing Operations; Transporting | 33 | Expired |
| US7291427B2 | Surface graft material, conductive pattern material, and production method thereof | Electricity | 31 | Expired |
| US6177230A | Heat-hardenable composition and planographic form plate using the composition | Performing Operations; Transporting | 27 | Expired |
| US7306895B2 | Pattern forming method, image forming method, fine particle adsorption pattern forming method, conductive pattern forming method, pattern forming material and planographic printing plate | Physics | 26 | Expired |
| US6878470B2 | Visible image receiving material, conductive pattern material and organic electroluminescence element, using member having surface hydrophilicity | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6919158B2 | Conductive pattern material and method for forming conductive pattern | Electricity | 25 | Expired |
| US6339737B1 | Data storage of construction machine and data processor | Physics | 23 | Expired |
| US6331375A | Photosensitive lithographic form plate using an image-forming material | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6468711B1 | Photosensitive composition and method for manufacturing lithographic printing plate | Physics | 22 | Expired |
| US5204888A | Bone mineral content measuring apparatus | Physics | 22 | Expired |
| US6423467B1 | Photosensitive resin composition | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6114083A | Radiation-sensitive planographic printing plate | Performing Operations; Transporting | 19 | Expired |
| US6096479A | Photosensitive lithographic form plate using an image-forming material | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4111363A | Portable water fountain display apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4315983A | 2,6-Di-tert-butyl-4-substituted thiopyrylium salt, process for production of same, and a photoconductive composition containing same | Physics | 18 | Expired |
| US6322950A | Photosensitive composition and 1,3-dihydro-1-oxo-2H-indene derivative | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6110640A | Photosensitive composition | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4094464A | Three dimensional display device using water fountain | Physics | 17 | Expired |
| US6145781A | Cable storage case permitting easy removal of cable stored therein | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6566029B2 | Lithographic printing plate precursor | Performing Operations; Transporting | 16 | Expired |
| US6461792B1 | Lithographic printing plate precursor | Performing Operations; Transporting | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.