Takeshi Hagio
54Patents
8h-index
34Co-inventors
78Inventor score
Filing activity: Apr 10, 1996 → Mar 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5999698A | Multiangle block reproduction system | Electricity | 401 | Expired |
| US6167189A | Recording medium capable of interactive reproducing | Electricity | 323 | Expired |
| US6016381A | Apparatus for reproducing information | Electricity | 117 | Expired |
| US5813010A | Information storage and information transmission media with parental control | Emerging Cross-Sectional Technologies | 116 | Expired |
| US5691972A | Multimedia optical disc which conforms to the motion picture rating systems in a variety of countries and a reproducing device for said disc | Electricity | 103 | Expired |
| US6009234A | Method of reproducing information | Electricity | 93 | Expired |
| US6009433A | Information storage and information transmission media with parental control | Emerging Cross-Sectional Technologies | 79 | Expired |
| US6895171B1 | Recording medium capable of interactive reproduction and reproducing system for the same | Electricity | 8 | Expired |
| US6019863A | Optical disk structure, method of manufacturing the same, and apparatus for manufacturing the same | Performing Operations; Transporting | 3 | Expired |
| US9901882B2 | DDR zeolite seed crystal, method for producing same, and method for producing DDR zeolite membrane | Emerging Cross-Sectional Technologies | 2 | Active |
| US8417093B2 | Recording medium capable of interactive reproducing and reproduction system for the same | Electricity | 2 | Active |
| US7203414B2 | Recording medium capable of interactive reproducing and reproduction system for the same | Electricity | 2 | Expired |
| US11402314B2 | Method for inspecting separation membrane structure, method for manufacturing separation membrane module, and method for manufacturing separation membrane structure | Physics | 1 | Active |
| US10625215B2 | Method for manufacturing zeolite membrane structure | Performing Operations; Transporting | 1 | Active |
| US11008219B2 | Aluminophosphate-based zeolite membrane synthesis method | Chemistry; Metallurgy | 0 | Active |
| US10576414B2 | Gas separation method | Emerging Cross-Sectional Technologies | 0 | Active |
| US11103834B2 | Dehydration method and dehydration apparatus | Chemistry; Metallurgy | 0 | Active |
| US8301010B2 | Recording medium capable of interactive reproducing and reproduction system for the same | Electricity | 0 | Active |
| US10258933B2 | Zeolite membrane having oxygen eight-membered rings, method for manufacturing zeolite membrane and method for evaluating zeolite membrane having oxygen eight-membered rings | Performing Operations; Transporting | 0 | Active |
| US8254748B2 | Recording medium capable of interactive reproducing and reproduction system for the same | Electricity | 0 | Active |
| US8320737B2 | Recording medium capable of interactive reproducing and reproduction system for the same | Electricity | 0 | Active |
| US10906815B2 | AFX-structure zeolite crystal, and synthesis method thereof | Chemistry; Metallurgy | 0 | Active |
| US8275239B2 | Recording medium capable of interactive reproducing and reproduction system for the same | Electricity | 0 | Active |
| US8295675B2 | Recording medium capable of interactive reproducing and reproduction system for the same | Electricity | 0 | Active |
| US8311388B2 | Recording medium capable of interactive reproducing and reproduction system for the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.