Edward J. Leech
23Patents
15h-index
7Co-inventors
74Inventor score
Filing activity: Feb 11, 1972 → Jul 29, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3930963A | Method for the production of radiant energy imaged printed circuit boards | Electricity | 104 | Expired |
| US4510276A | Epoxy resin coating compositions for printed circuit boards | Emerging Cross-Sectional Technologies | 36 | Expired |
| US3994727A | Formation of metal images using reducible non-noble metal salts and light sensitive reducing agents | Emerging Cross-Sectional Technologies | 34 | Expired |
| US3993802A | Processes and products for making articles for electroless plating | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4287253A | Catalytic filler for electroless metallization of hole walls | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4042729A | Process for the activation of resinous bodies for adherent metallization | Electricity | 28 | Expired |
| US4054693A | Processes for the preparation of resinous bodies for adherent metallization comprising treatment with manganate/permanganate composition | Electricity | 28 | Expired |
| US3959547A | Process for the formation of real images and products produced thereby | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4981725A | Process and composition for sensitizing articles for metallization | Electricity | 21 | Expired |
| US4073740A | Composition for the activation of resinous bodies for adherent metallization | Electricity | 20 | Expired |
| US4199623A | Process for sensitizing articles for metallization and resulting articles | Chemistry; Metallurgy | 20 | Expired |
| US4486466A | High resolution screen printable resists | Electricity | 19 | Expired |
| US3956041A | Transfer coating process for manufacture of printing circuits | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4551488A | Epoxy resin based protective coating composition for printed circuit boards | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4504607A | Epoxy resin coating composition for printed circuit boards | Emerging Cross-Sectional Technologies | 15 | Expired |
| US3962496A | Composition and method for neutralizing and sensitizing resinous surfaces and improved sensitized resinous surfaces for adherent metallization | Chemistry; Metallurgy | 14 | Expired |
| US5070002A | Photoimageable permanent resist | Physics | 9 | Expired |
| US5178988A | Photoimageable permanent resist | Physics | 9 | Expired |
| US4259113A | Composition for sensitizing articles for metallization | Chemistry; Metallurgy | 9 | Expired |
| US4522850A | Polymeric substrates for electroless metal deposition | Electricity | 8 | Expired |
| US4450190A | Process for sensitizing articles for metallization and resulting articles | Chemistry; Metallurgy | 7 | Expired |
| US4748056A | Process and composition for sensitizing articles for metallization | Electricity | 6 | Expired |
| US4662944A | Process and composition for sensitizing articles for metallization | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.