Masaaki Ito
123Patents
16h-index
176Co-inventors
89Inventor score
Filing activity: Apr 7, 1980 → Jun 8, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5193919A | Tape printer | Performing Operations; Transporting | 124 | Expired |
| US4409860A | Apparatus for precisely moving a table | Emerging Cross-Sectional Technologies | 104 | Expired |
| US6200138A | Game display method, moving direction indicating method, game apparatus and drive simulating apparatus | Human Necessities | 69 | Expired |
| US5223069A | Web auto-splicer | Performing Operations; Transporting | 66 | Expired |
| US5465160A | Composite image forming apparatus for automatically combining document and image characters | Physics | 44 | Expired |
| US4358198A | Apparatus for moving table on stage | Electricity | 39 | Expired |
| US5906819A | Rho target protein Rho-kinase | Human Necessities | 37 | Expired |
| US5309245A | Image forming apparatus having function for forming composite image | Electricity | 31 | Expired |
| US5740333A | Image processing method and image processing apparatus for converting an inputted color image into a two-color image | Electricity | 31 | Expired |
| US5715070A | Freely configurable image processing apparatus | Electricity | 24 | Expired |
| US4839654A | System for detecting underground objects | Physics | 21 | Expired |
| US5687006A | Image regenerating apparatus having improved character resolution and pattern gradation | Electricity | 20 | Expired |
| US7387884B2 | Yeast extract solution for cell-free protein synthesis, method for preparation thereof and method for cell-free protein synthesis using same | Chemistry; Metallurgy | 20 | Expired |
| US5317421A | White reference data generating unit applied to shading correction system | Electricity | 17 | Expired |
| US6509440B1 | ALIPHATIC COPOLYMER, PRODUCTION PROCESS, ALIPHATIC POLYESTER RESIN COMPOSITION, VARIOUS USES, COATING COMPOSITION, AND AGRICULTURAL OR HORTICULTURAL PARTICULATE COMPOSITION COMPRISING DEGRADABLE COATING FILM | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4735926A | Alumina ceramic body | Chemistry; Metallurgy | 16 | Expired |
| US5485497A | Optical element and projection exposure apparatus employing the same | Physics | 15 | Expired |
| US8324335B2 | Propylene-based polymer and method for producing the same, and propylene-based resin composition | Chemistry; Metallurgy | 14 | Active |
| US5892852A | Image processing apparatus | Electricity | 14 | Expired |
| US7189528B2 | Extract solution for cell-free protein synthesis, method for cell-free protein synthesis using same and method for preparation of the extract solution | Chemistry; Metallurgy | 14 | Expired |
| US6111016A | Polycarbonate with epoxidized block copolymer | Chemistry; Metallurgy | 13 | Expired |
| US4825243A | Film image projecting apparatus for handling a roll film containing a plurality of rows of frames | Physics | 13 | Expired |
| US4947266A | Image processing system | Electricity | 11 | Expired |
| US6584793B2 | Cogeneration system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7005649B1 | Mask blanks inspection method and mask blank inspection tool | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.