Hirotoshi Umemoto
24Patents
7h-index
31Co-inventors
69Inventor score
Filing activity: Aug 9, 1983 → Oct 31, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5066720A | Resinous composition for coating use | Chemistry; Metallurgy | 39 | Expired |
| US4734467A | Coil coating paint composition | Chemistry; Metallurgy | 22 | Expired |
| US6429233B1 | Method for reusing polyester chip | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4764569A | Coating composition having improved weathering resistance and recoating property resinous composition to be used therein | Chemistry; Metallurgy | 20 | Expired |
| US4829105A | Electrodeposition coating composition containing modified epoxy resin having chargeable groups | Chemistry; Metallurgy | 17 | Expired |
| US4501829A | Coating composition | Chemistry; Metallurgy | 11 | Expired |
| US4535128A | Polycarboxylic-alkyleneimine resinous composition and coating composition containing same | Chemistry; Metallurgy | 7 | Expired |
| US4632961A | Colored base composition and paint composition containing the same | Chemistry; Metallurgy | 7 | Expired |
| US5428101A | Solvent based coating composition | Chemistry; Metallurgy | 6 | Expired |
| US4914225A | Acrylamide derivatives and their polymers | Chemistry; Metallurgy | 5 | Expired |
| US5098949A | Electrodepositable aqueous coating composition with a component having cyclic urea groups | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4731422A | Resinous modified polyester composition for a top coat | Chemistry; Metallurgy | 4 | Expired |
| US4956491A | Alpha-alkylacrylamide derivatives and their polymers | Chemistry; Metallurgy | 2 | Expired |
| US4810758A | Resinous composition for coating use, which is excellent in weather resistance and in low temperature curing properties, its preparation and coating composition containing the same | Chemistry; Metallurgy | 2 | Expired |
| US4578436A | Coating resinous composition containing saturated alicyclic acid modified amphoteric polyester resin | Chemistry; Metallurgy | 2 | Expired |
| US5179184A | Polymerizable cyclic urea derivatives and polymers having a pendant urea | Chemistry; Metallurgy | 1 | Expired |
| US4829132A | Resinous composition containing polyester resin, for coating use | Chemistry; Metallurgy | 1 | Expired |
| US4891419A | Modified polyester resin composition containing isonanoic acid and a cyclic ester | Chemistry; Metallurgy | 1 | Expired |
| US4680348A | Epoxy resinous varnish its preparation and coating composition containing the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7700264B2 | Photosensitive resin composition, image forming material and image forming method using thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US5208308A | Acrylamide derivatives and their polymers | Chemistry; Metallurgy | 0 | Expired |
| US4501863A | Polycarboxylic acid resinous composition, its preparation and coating composition containing the same | Chemistry; Metallurgy | 0 | Expired |
| US5274062A | Acrylamide derivatives and their polymers | Chemistry; Metallurgy | 0 | Expired |
| US4563492A | Resinous composition which is useful for the dispersion difficulty dispersible coloring matter | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.