Norifumi Ito
36Patents
11h-index
34Co-inventors
75Inventor score
Filing activity: Apr 9, 1981 → Dec 2, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5016114A | Digital copier apparatus with external laser card storage medium and image compression variable with available memory | Electricity | 54 | Expired |
| US5231516A | Folding-order image forming apparatus | Electricity | 44 | Expired |
| US4460278A | Continuous bulk polymerization reactor | Performing Operations; Transporting | 42 | Expired |
| US5105284A | Digital copier operable with external storing medium | Electricity | 41 | Expired |
| US4623827A | Device for controlling motor rotation speed | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5506657A | Interleaving digital copier system | Electricity | 19 | Expired |
| US5210132A | Continuous process for preparing rubber modified high impact resin | Chemistry; Metallurgy | 17 | Expired |
| US4587294A | Continuous process for producing rubber modified high-impact resins | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4376847A | Process for the production of styrene polymers | Chemistry; Metallurgy | 11 | Expired |
| US4537954A | Process for the preparation of polymer compositions having low volatile content | Chemistry; Metallurgy | 11 | Expired |
| US4699976A | Continuous process for the treatment of polymer composition to remove unreacted monomer and solvent | Chemistry; Metallurgy | 11 | Expired |
| US4388447A | Process for producing rubber modified styrene resins | Chemistry; Metallurgy | 9 | Expired |
| US4808661A | Rubber dispersed copolymer resin | Chemistry; Metallurgy | 8 | Expired |
| US5930571A | Image forming apparatus and a method for forming an image on plural surfaces at the same time | Electricity | 6 | Expired |
| US4972024A | Anionically-polymerized-rubber-modified styrene copolymers | Chemistry; Metallurgy | 6 | Expired |
| US4789272A | Transportation method of synthetic rubber chips | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4954571A | Rubber dispersed copolymer resin | Chemistry; Metallurgy | 6 | Expired |
| US5191023A | Block-copolymerized-rubber-modified styrene copolymers | Chemistry; Metallurgy | 5 | Expired |
| US5557390A | Digital copier system | Physics | 4 | Expired |
| US7574749B2 | Catching tool and method of designing catching tool | Human Necessities | 4 | Expired |
| US5440372A | Digital copier system | Physics | 4 | Expired |
| USD772490S1 | Baseball glove | General | 4 | Active |
| US7891017B2 | Ball catching tool for baseball or softball | Human Necessities | 4 | Active |
| US4758644A | Bromostyrene composition | Chemistry; Metallurgy | 3 | Expired |
| US5062114A | Output beam control device for a semiconductor laser | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.