Toru Seki
23Patents
5h-index
23Co-inventors
69Inventor score
Filing activity: Aug 9, 1972 → May 10, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5190712A | Method for melt-molding water-soluble vinyl alcohol polymers | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US3933634A | Method of treatment of sludges with size-adjusted carbon | Chemistry; Metallurgy | 9 | Expired |
| US7182197B2 | Optical sensing device for detecting optical features of valuable papers | Physics | 8 | Expired |
| USD736318S1 | Bezel for a document validator | General | 7 | Active |
| USD614237S1 | Document validator | General | 7 | Expired |
| US6585260B1 | Bill stacker with an observation window | Performing Operations; Transporting | 5 | Expired |
| US6993758B1 | Method and apparatus for renewing software in a software-operated machine | Physics | 5 | Expired |
| USD734396S1 | Document validator with stacker | General | 4 | Active |
| US7240780B2 | Apparatus for discriminating valuable papers with centering means | Physics | 3 | Expired |
| US8276734B2 | Bill validator with centering device | Performing Operations; Transporting | 3 | Active |
| US8746433B2 | Document handler having validator detachably attached thereto | Physics | 2 | Active |
| US7677379B2 | Optical sensing device for detecting optical features of valuable papers | Physics | 1 | Active |
| US7913831B2 | Intelligent cash box system and method for transmitting code information | Physics | 1 | Active |
| US7784524B2 | Apparatus and method for producing casting mold | Performing Operations; Transporting | 1 | Expired |
| US7677380B2 | Optical sensing device for detecting optical features of valuable papers | Physics | 1 | Active |
| US8528715B2 | Modularized document handler | Physics | 1 | Active |
| US11649126B2 | Paper sheet circulation device and circulation-type paper sheet handling device | Performing Operations; Transporting | 0 | Active |
| US7909152B2 | Bill handling apparatus and method for transmitting code information | Physics | 0 | Expired |
| US9744586B2 | Binder coated refractories, casting mold using the same, and method of manufacturing casting mold using the same | Chemistry; Metallurgy | 0 | Active |
| US7980557B2 | Document handler capable of protecting a built-in sensor from extraneous substance | Performing Operations; Transporting | 0 | Active |
| US8348042B2 | Optical sensing device for detecting optical features of valuable papers | Physics | 0 | Active |
| US8006821B2 | Rotary anti-pullback unit of fletched fins | Physics | 0 | Active |
| US9643810B2 | Stacker for storing documents | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.